| AASHTO | American Association of State Highway Transportation Officials |
| AMS | American Meteorological Society |
| ASRS | Aviation Safety Reporting System (FAA) |
| BSSWG | Behavioral and Social Sciences Work Group (CDC) |
| CASA | Center for Collaborative Adaptive Sensing of the Atmosphere |
| CASPER | Community Assessment for Public Health Emergency Response (CDC) |
| CDC | Centers for Disease Control and Prevention |
| CICS | Cooperative Institute for Climate and Satellites |
| CIMMS | Cooperative Institute for Mesoscale Meteorological Studies |
| COE | Center of Excellence (DHS) |
| CRADA | Cooperative Research and Development Agreement |
| CRISP | Critical Resilient Interdependent Infrastructure Systems and Processes (NSF) |
| CSTAR | Collaborative Science Technology, and Applied Research Program (NWS) |
| CWWCE | Commission on the Weather, Water, and Climate Enterprise (AMS) |
| DHS | Department of Homeland Security |
| DoD | Department of Defense |
| DOT | Department of Transportation |
| DPP | Diabetes Prevention Project (NIH) |
| DSWG | Disaster Surveillance Workgroup (CDC) |
| EMI | Emergency Management Institute (FEMA) |
| ENG | Engineering Directorate (NSF) |
| EOC | Emergency Operations Center |
| EPA | Environmental Protection Agency |
| ERG | Eastern Research Group |
| ESRL | Earth System Research Laboratory (NOAA) |
| FAA | Federal Aviation Administration |
| FACET | Forecasting a Continuum of Environmental Threat (NOAA/NSSL) |
| FDA | Food and Drug Administration |
| FEMA | Federal Emergency Management Agency |
| FFRDC | Federally Funded Research and Development Center |
| FHWA | Federal Highway Administration |
| FIT | Field Innovation Team |
| FORIN | Forensic Investigations of Disasters |
| GFDL | Geophysical Fluid Dynamics Laboratory (NOAA) |
| GIS | Geographic Information System |
| GOES | Geostationary Operational Environmental Satellites |
| GSD | Global Systems Division (NOAA/ESRL) |
| HEI | Health Effects Institute |
| HHS | Department of Health and Human Services |
| HIWeather | High-Impact Weather Project (WMO) |
| HWT | Hazardous Weather Testbed (NOAA/NSSL) |
| IBHS | Insurance Institute for Business & Home Safety |
| ICI | interdependent critical infrastructure |
| IDIQ | indefinite delivery/indefinite quantity (a funding mechanism) |
| IDR | interdisciplinary research |
| IDSS | Impact-based Decision Support Services |
| IMEE | Infrastructure Management and Extreme Events (NSF) |
| IRB | Institutional Review Board |
| MDSS | Maintenance Decision Support System |
| ME/C | medical examiner/coroner |
| MMM | Mesoscale and Microscale Meteorology Laboratory (NCAR) |
| mPING | mobile Precipitation Identification Near the Ground |
| MRMS | Multi-Radar/Multi-Sensor System (NOAA/NSSL) |
| NAS | National Academy of Sciences |
| NASA | National Aeronautics and Space Administration |
| NCAR | National Center for Atmospheric Research |
| NCEP | National Centers for Environmental Prediction (NOAA) |
| NCHS | National Center for Health Statistics (CDC) |
| NERRS | National Estuarine Research Reserve System (NOAA) |
| NHC | National Hurricane Center (NOAA) |
| NIDDK | National Institute of Diabetes and Digestive and Kidney Diseases (NIH) |
| NIH | National Institutes of Health |
| NOAA | National Oceanic and Atmospheric Administration |
| NRC | National Research Council |
| NSF | National Science Foundation |
| NSSL | National Severe Storms Laboratory (NOAA) |
| NSTC | National Science and Technology Council (OSTP) |
| NWA | National Weather Association |
| NWM | National Water Model |
| NWS | National Weather Service (NOAA) |
| OAR | Office of Oceanic and Atmospheric Research (NOAA) |
| OCWWS | Office of Climate, Water and Weather Services (NWS) |
| OSTP | White House Office of Science and Technology Policy |
| OUP | Office of University Programs (DHS) |
| OWAQ | Office of Weather and Air Quality (NOAA/OAR) |
| PI | Principal Investigator |
| R&D | research and development |
| R2O | Research to Operations |
| REDAC | Research, Engineering and Development Advisory Committee (FAA) |
| RENCI | Renaissance Computing Institute at East Carolina University |
| RISA | Regional Integrated Sciences and Assessments (NOAA) |
| RWIS | Road Weather Information System |
| S&T | science and technology |
| SBE | Social, Behavioral and Economic Sciences (NSF Directorate) |
| SBS | social and behavioral sciences |
| SBST | Social and Behavioral Sciences Team |
| SERA | Societal and Economic Research and Applications |
| SIP | Societal Impacts Program (NCAR) |
| SSWIM | Social Science Woven into Meteorology |
| STEM | science, technology, engineering, and mathematics |
| THORPEX | The Observing System Research and Predictability Experiment |
| UCAR | University Corporation for Atmospheric Research |
| USDOT | U.S. Department of Transportation |
| USGS | U.S. Geological Survey |
| VORTEX-SE | Verification of the Origins of Rotation in Tornadoes in the Southeast (NOAA) |
| WAS*IS | Weather and Society * Integrated Studies (NCAR) |
| WEA | Wireless Emergency Alert |
| WFO | Weather Forecast Office |
| WMO | World Meteorological Organization |
| WPC | Weather Prediction Center |
| WRaDS | Weather Risks and Decisions in Society (NCAR) |
| WRN | Weather-Ready Nation |
| WxEM | Weather for Emergency Management (FEMA) |