Welcome to the NCEI landing page for our partners at the National Weather Service (NWS). The intent of this page is to help NWS personnel navigate NCEI data, products and services to better help service customers. If you have any feedback on how to make this page more useful, please contact Karin Gleason (Karin.L.Gleason@noaa.gov).
Special Data/Tools
- Storm Events Database: Records used to create the official NOAA Storm Data publication
- El Niño 2015/16: A Historical Perspective: Resource to help understand potential impacts for identified strong El Niño events across the U.S.
- Billion-Dollar Weather and Climate Disasters: Summary of U.S. Billion-dollar disaster research, methodology and data sources
- U.S. Climate Extremes Index (CEI): The U.S. Climate Extremes Index (CEI) was developed to quantify observed changes in climate within the contiguous United States. Time series graphs and data files of the CEI (from 1910 to the present) are available for the following periods: Annual, Spring, Summer, Autumn, Winter, Cold Season, Warm Season and Hurricane Season. Elements included in the index include: Temperature, Precipitation and PDSI.
- State Climate Extremes Committee (SCEC): The State Climate Extremes Committee (SCEC) was created in 2006 in response to the need for proper and comprehensive evaluation of meteorological observations which may have tied or exceeded existing statewide all-time record values. Records | Reports | Guidance
- National Climate Extremes Committee (NCEC): Established in 1997 the NCEC's main goal is to assess the scientific merit of extreme climatological/meteorological events. Records | Reports
- SRRS Text Products/Bulletin Selection: Alphanumeric products contained within NOAAPort/NWS family of services including watches, warnings, advisories and forecasts (both public marine and aviation)
- Climatological Rankings Explained: An explanation of how NCEI places temperature and precipitation of a geographic area into historical context.
- Geographic Reference Maps: A collection of maps of various geographic areas used in climate monitoring
- Snowfall Extremes: 1-day, 2-day, and 3-day, maximum snowfall extremes for each county in the United States by State and their locations
- Daily Weather Records: daily, monthly and all-time records compiled from a subset of GHCN stations
- Past Weather: View and download weather station observation history