Attribution of Extreme Weather and Climate Events and their Impacts

Workshop

Extreme Event and Impact Attribution: Challenges, Opportunities, and Applications - A Workshop

April 1 - 2, 2025

Past

Materials

About

Join the National Academies for a workshop on April 1 and 2, 2025, taking a closer look at the challenges and opportunities around extreme event and impact attribution. Participants will discuss extreme event attribution, attributing the impacts of extreme events, and applications of attribution science in decision making and communication. Register now to receive updates about this workshop, including the agenda when it becomes available.

Additional Information

Is it a Closed Session event?

Not Closed

Contact

Katelyn Crews

(202) 334-3403
kcrews@nas.edu

Location

Arnold and Mabel Beckman Center

100 Academy Way

Irvine CA 92617, USA

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Attribution of Extreme Weather Committee Meeting #7

November 24, 2025

10:00 AM - 1:00 PM (EST)

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
James Done
Nicole D. Jackson
Albert Lin
Timothy N. Palmer
Kevin Reed
Deepti Singh
Kevin T. Smiley
Danielle Touma
Grance Yan

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

November 24, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Attribution of Extreme Weather Committee Meeting #6

October 13 - 14, 2025

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Hilary S. Boudet
James Done
Nicole D. Jackson
Joyce Kimutai
Albert Lin
Jennifer R. Marlon
Timothy N. Palmer
Kevin Reed
Deepti Singh
Kevin T. Smiley
Tannecia S. Stephenson
Danielle Touma
Guirong (Grace) Yan

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

October 15, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 27

September 23, 2025

11:00 AM - 12:30 PM (EDT)

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

Kevin Smiley
James Done
Nicole Jackson
Tannecia Stephenson
Joyce Kimutai
Grace Yan

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

September 30, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 26

September 16, 2025

11:00 AM - 12:30 PM (EDT)

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Kevin Reed
Nicole Jackson
Joyce Kimutai
Danielle Touma
Grace Yan
Tannecia Stephenson
Deepti Singh

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

September 23, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 25

September 10, 2025

1:00 PM - 2:30 PM (EDT)

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

Kevin Reed
Kevin Smiley
Tannecia Stephenson
Jennifer Marlon
Hilary Schaffer
Deepti Singh
Danielle Touma

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

September 15, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 24

August 21, 2025

1:00 PM - 2:30 PM (EDT)

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James Hurrell
Deepti Singh
Nicole Jackson
Grace Yan
Danielle Touma
Joyce Kimutai
Tannecia Stephenson
Kevin Reed

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

August 25, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Attribution of Extreme Weather Committee Meeting #5

July 16 - 17, 2025

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Hilary S. Boudet
James Done
Nicole D. Jackson
Joyce Kimutai
Albert Lin
Jennifer R. Marlon
Timothy N. Palmer
Kevin Reed
Deepti Singh
Kevin T. Smiley
Tannecia S. Stephenson
Dennis Todey
Danielle Touma
Guirong (Grace) Yan

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

July 31, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Location

National Academy of Sciences Building

2101 Constitution Ave NW

Washington DC 20418, USA

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 23

June 17, 2025

11:30 AM - 1:00 PM (EDT)

Past

About

Committee members will discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Kevin Reed
Deepti Singh
Grace Yan
Nicole Jackson

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

June 17, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 22

June 16, 2025

12:00 PM - 1:30 PM (EDT)

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

Kevin Smiley
Nicole Jackson

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

June 17, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 21

May 28, 2025

10:00 AM - 11:30 AM (EDT)

Past

About

Committee members are meeting to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Nicole Jackson
Grace Yan
Tannecia Stephenson
Deepti Singh
Joyce Kimutai
Kevin Reed

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

June 02, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 20

May 20, 2025

11:30 AM - 12:30 PM (EDT)

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
James Done
Kevin Smiley

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

May 22, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 19

May 7, 2025

12:30 PM - 1:30 PM (EDT)

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

Hilary Boudet
Kevin Smiley
James Done
James W. Hurrell

The following topics were discussed in the closed sessions:

Committee members met to discuss report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

May 09, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 18

May 6, 2025

4:00 PM - 5:00 PM (EDT)

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James Done
Albert Lin
Hilary Boudet
Jennifer Marlon

The following topics were discussed in the closed sessions:

Committee members met to discuss report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

May 09, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 17

May 6, 2025

11:00 AM - 12:00 PM (EDT)

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

Deepti Singh
Nicole Jackson
Grace Yan
Joyce Kimutai
Timothy Palmer

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

May 06, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 16

May 2, 2025

10:00 AM - 11:00 AM (EDT)

Past

About

Subgroup met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Kevin Reed
Joyce Kimutai
Tannecia Stephenson
Deepti Singh
Nicole Jackson
Grace Yan

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

May 05, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Attribution of Extreme Weather Committee Meeting #4

April 2 - 3, 2025

Past

About

The committee is meeting to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Hilary S. Boudet
Nicole D. Jackson
Joyce Kimutai
Albert Lin
Jennifer R. Marlon
Kevin Reed
Deepti Singh
Kevin T. Smiley
Tannecia S. Stephenson
Danielle Touma
Guirong (Grace) Yan
Timothy Palmer

The following topics were discussed in the closed sessions:

Report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

April 03, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 15

March 7, 2025

1:00 PM - 2:00 PM (EST)

Past

About

Committee members met to discuss workshop planning.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

Timothy Palmer
James W. Hurrell
Nicole Jackson
Deepti Singh
Kevin Reed
Grace Yang
Danielle Touma

The following topics were discussed in the closed sessions:

Committee members planned for the April 1-2 workshop.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

March 10, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 14

March 7, 2025

12:00 PM - 1:00 PM (EST)

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Jennifer Marlon
Hilary Boudet

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

March 10, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 13

March 7, 2025

11:00 AM - 12:00 PM (EST)

Past

About

Committee members met to discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
James Done
Albert Lin

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

March 10, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting

Methods, Approaches, and Datasets for Extreme Event Attribution

March 3, 2025

11:00 AM - 2:00 PM (EST)

Past

Discussion

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Materials

About

Join this information gathering session assessing current approaches used for extreme event attribution, challenges, and opportunities for future improvements. This session will take a closer look at the strengths and challenges of currently in-use approaches, emerging methods, datasets, opportunities for standardization, and areas for improvement.

Additional Information

Is it a Closed Session event?

Not Closed

Contact

Katelyn Crews

(202) 334-3403
kcrews@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 12

February 27, 2025

10:30 AM - 11:15 AM (EST)

Past

About

Committee members will discuss workshop agenda.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Deepti Singh
James Done
Nicole Jackson

The following topics were discussed in the closed sessions:

Committee members discussed the workshop agenda.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

February 27, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 11

February 11, 2025

1:00 PM - 2:00 PM (EST)

Past

About

Committee members will meet to discuss workshop planning.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Kevin Smiley
Tannecia Stephenson
Hilary Boudet
Nicole Jackson

The following topics were discussed in the closed sessions:

Committee met to discuss workshop planning.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

February 11, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Attribution of Extreme Weather Committee Meeting #3

February 7, 2025

11:00 AM - 2:00 PM (EST)

Past

About

Committee will discuss plans for information gathering and report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Timothy Palmer
Albert Lin
Hilary Boudet
Danielle Touma
Dennis Todey
Deepti Singh
James Done
Jennifer Marlon
Joyce Kimutai
Kevin Reed
Kevin Smiley
Nicole Jackson
Tannecia Stephenson

The following topics were discussed in the closed sessions:

Committee discussed plans for information gathering and report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

February 11, 2025

Contact

Katelyn Crews

(202) 334-3403
kcrews@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 10

February 5, 2025

2:00 PM - 3:00 PM (EST)

Past

About

Committee members will discuss information gathering sessions.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
James Done
Nicole Jackson
Grace Yan

The following topics were discussed in the closed sessions:

Committee members discussed information gathering sessions.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

February 12, 2025

Contact

Katelyn Crews

(202) 334-3403
kcrews@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 7

February 4, 2025

2:00 PM - 3:00 PM (EST)

Past

About

Committee members will discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Hilary Boudet
Jennifer Marlon

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

February 05, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 9

February 3, 2025

2:00 PM - 3:00 PM (EST)

Past

About

Committee members will plan for information gathering sessions.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Kevin Reed
Danielle Touma
Deepti Singh
Joyce Kimutai
Tannecia Stephenson

The following topics were discussed in the closed sessions:

Committee members planned for the upcoming information gathering sessions.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

February 05, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 6

February 3, 2025

11:00 AM - 12:00 PM (EST)

Past

About

Committee members will discuss workshop planning.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Joyce Kimutai
Kevin Smiley
Hilary Boudet

The following topics were discussed in the closed sessions:

Committee members planned for the upcoming workshop.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

February 03, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 8

January 28, 2025

12:00 PM - 1:00 PM (EST)

Past

About

Committee members will discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Kevin Smiley
James Done
Dennis Todey

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

February 03, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 5

January 27, 2025

11:00 AM - 12:00 PM (EST)

Past

About

Committe members will discuss report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Danielle Touma
Joyce Kimutai
Tannecia Stephenson
Deepti Singh
Kevin Reed

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

January 27, 2025

Contact

Stephanie Johnson

(202) 334-3385
sjohnson@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Attribution of Extreme Weather Committee Meeting #2

January 10, 2025

11:00 AM - 2:00 PM (EST)

Past

About

Committee will discuss plans for information gathering and report development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James Hurrell
Timothy Palmer
Kevin Smiley
Dennis Todey
Tannecia Stephenson
James Done
Hilary Boudet
Danielle Touma
Deepti Singh
Jennifer Marlon
Grace Yan

The following topics were discussed in the closed sessions:

Committee discussed plans for information gathering and report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

January 15, 2025

Contact

Rachel Silvern

(202) 334-3352
rsilvern@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 3

January 8, 2025

2:00 PM - 3:00 PM (EST)

Past

About

Committee members will plan for information gathering

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James Done
Timothy Palmer
James W. Hurrell

The following topics were discussed in the closed sessions:

Committee members planned for information gathering.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

January 08, 2025

Contact

Rachel Silvern

(202) 334-3352
rsilvern@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 4

January 7, 2025

2:00 PM - 3:00 PM (EST)

Past

About

Committee members will discuss report section development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James Done
Kevin Smiley
Dennis Todey

The following topics were discussed in the closed sessions:

Committee members discussed report section development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

January 08, 2025

Contact

Rachel Silvern

(202) 334-3352
rsilvern@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 2

December 20, 2024

1:00 PM - 2:00 PM (EST)

Past

About

Committee members will plan for information gathering.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Kevin Reed
Deepti Singh
Danielle Touma
Joyce Kimutai

The following topics were discussed in the closed sessions:

Committee members planned for information gathering.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

December 30, 2024

Contact

Rachel Silvern

(202) 334-3352
rsilvern@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Subgroup Meeting 1

December 18, 2024

3:00 PM - 4:00 PM (EST)

Past

About

Committee members will discuss report section development.

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

Hilary S. Boudet
Jennifer R. Marlon
James W. Hurrell

The following topics were discussed in the closed sessions:

Committee members discussed report development.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

December 30, 2024

Contact

Rachel Silvern

(202) 334-3352
rsilvern@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting

Attribution of Extreme Weather Committee Meeting #1

November 14 - 15, 2024

Past

Agenda

Download the Agenda

About

The Committee on Attribution of Extreme Weather and Climate Events and their Impacts will hold their first meeting on November 14-15, 2024. The Committee will meet in closed session to discuss the Statement of Task and project scope and hold their required Committee Composition, Bias and Conflict of Interest discussion. The Committee will hold an open session virtually on Thursday, November 14 from 1-5pm ET. During this first information gathering session, the Committee will hear from the study sponsors and other experts who will provide relevant context about the state of knowledge and opportunities for this new study on extreme event attribution to contribute.

Additional Information

Is it a Closed Session event?

Partially Closed

The following committee members were present at the closed sessions of the event

November 14:
James W. Hurrell
Hilary S. Boudet
James Done
Nicole D. Jackson
Joyce Kimutai
Jennifer R. Marlon
Laura D. Merner
Timothy N. Palmer
Kevin Reed
Monica Sanders
Deepti Singh
Kevin T. Smiley
Tannecia S. Stephenson
Dennis Todey
Danielle Touma
Guirong (Grace) Yan

November 15:
James W. Hurrell
Hilary S. Boudet
James Done
Nicole D. Jackson
Joyce Kimutai
Jennifer R. Marlon
Laura D. Merner
Timothy N. Palmer
Kevin Reed
Deepti Singh
Kevin T. Smiley
Tannecia S. Stephenson
Dennis Todey
Danielle Touma
Guirong (Grace) Yan

The following topics were discussed in the closed sessions:

Committee prepared for the open session and conducted the required conflict of interest and balance discussion on November 14. Committee discussed the report outline and topics for information gathering sessions on November 15.

The following materials (written documents) were made available to the committee in the closed sessions:

N/A

Date of posting of Closed Session Summary:

November 19, 2024

Contact

Rachel Silvern

(202) 334-3352
rsilvern@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Meeting Closed

Attribution of Extreme Weather Committee Orientation Meeting (#0)

November 4, 2024

11:00 AM - 1:00 PM (EST)

Past

Additional Information

Is it a Closed Session event?

Institution Closed

The following committee members were present at the closed sessions of the event

James W. Hurrell
Hilary S. Boudet
James Done
Nicole D. Jackson
Joyce Kimutai
Jennifer R. Marlon
Laura D. Merner
Timothy N. Palmer
Monica Sanders
Deepti Singh
Kevin T. Smiley
Tannecia S. Stephenson
Dennis Todey
Danielle Touma
Guirong (Grace) Yan

The following topics were discussed in the closed sessions:

The Committee discussed the Statement of Task and orientation on the National Academies study process.

The following materials (written documents) were made available to the committee in the closed sessions:

Briefing Book

Date of posting of Closed Session Summary:

November 07, 2024

Contact

Rachel Silvern

(202) 334-3352
rsilvern@nas.edu

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

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Attribution of Extreme Weather and Climate Events and their Impacts

Dropdown items

Extreme Event and Impact Attribution: Challenges, Opportunities, and Applications - A Workshop

Attribution of Extreme Weather Committee Meeting #7

Attribution of Extreme Weather Committee Meeting #6

Subgroup Meeting 27

Subgroup Meeting 26

Subgroup Meeting 25

Subgroup Meeting 24

Attribution of Extreme Weather Committee Meeting #5

Subgroup Meeting 23

Subgroup Meeting 22

Subgroup Meeting 21

Subgroup Meeting 20

Subgroup Meeting 19

Subgroup Meeting 18

Subgroup Meeting 17

Subgroup Meeting 16

Attribution of Extreme Weather Committee Meeting #4

Process-based Modeling Approaches for Attribution Science: Challenges and Opportunities

Subgroup Meeting 15

Subgroup Meeting 14

Subgroup Meeting 13

Methods, Approaches, and Datasets for Extreme Event Attribution

Subgroup Meeting 12

Subgroup Meeting 11

Attribution of Extreme Weather Committee Meeting #3

Subgroup Meeting 10

Subgroup Meeting 7

Subgroup Meeting 9

Subgroup Meeting 6

Subgroup Meeting 8

Subgroup Meeting 5

Attribution of Extreme Weather Committee Meeting #2

Subgroup Meeting 3

Subgroup Meeting 4

Subgroup Meeting 2

Subgroup Meeting 1

Attribution of Extreme Weather Committee Meeting #1

Attribution of Extreme Weather Committee Orientation Meeting (#0)