Core institutions = US-based, degree granting universities, colleges and technical schools and EDU entities.
| Name | Type | Country |
|---|---|---|
| Atlantic Oceanographic and Meteorological Laboratory (AOML/NOAA) | GOV | United States |
| Bonneville Power Administration | GOV | United States |
| Center for Weather Forecasting and Climate Studies (CPTEC/INPE) | GOV | Brazil |
| Central Weather Bureau of Taiwan | GOV | Taiwan, Province of China |
| Chinese Government | GOV | Peoples Republic of China |
| Commission for Atomic Energy | GOV | France |
| Danish National Space Center | GOV | Denmark |
| Goddard Space Flight Center (GSFC/NASA) | GOV | United States |
| Hong Kong University of Science and Technology | EDU | Hong Kong |
| Institute of Global Environment and Society | ORG | United States |
| Japan Agency for Marine-Earth Science and Technology | GOV | Japan |
| Joanneum Research | EDU | Austria |
| Kyoto University | EDU | Japan |
| Lund University | EDU | Sweden |
| National Centers for Environmental Prediction (NCEP/NOAA) | GOV | United States |
| National Climatic Data Center (NCDC/NOAA) | GOV | United States |
| National Hurricane Center (NHC/NOAA) | GOV | United States |
| National Institute for Space Research | GOV | Brazil |
| National Oceanic and Atmospheric Administration (NOAA) | GOV | United States |
| National Severe Storms Laboratory (NSSL/NOAA) | GOV | United States |
| National Taiwan Normal University | EDU | Taiwan, Province of China |
| National Taiwan University | EDU | Taiwan, Province of China |
| National Weather Service (NWS/NOAA) | GOV | United States |
| National Weather Service - Eureka, California (NWS/NOAA) | GOV | United States |
| National Weather Service Forecast Office - Great Falls, Idaho (NWS/NOAA) | GOV | United States |
| National Weather Service, Alaska Region (NWS/NOAA) | GOV | United States |
| National Weather Service, Central Region (NWS/NOAA) | GOV | United States |
| National Weather Service, Southern Region (NWS/NOAA) | GOV | United States |
| Savannah River Site (SRS) | GOV | United States |
| State of Bahia, Brasil | GOV | Brazil |
| Tennessee Valley Authority | GOV | United States |
| U.S. Air Force | MIL | United States |
| U.S. Antarctic Program | GOV | United States |
| U.S. Army Corps of Engineers | MIL | United States |
| U.S. Federal Aviation Administration | GOV | United States |
| U.S. Geological Survey | GOV | United States |
| U.S. Military | MIL | United States |
| U.S. Naval Research Laboratory | MIL | United States |
| U.S. Navy | MIL | United States |
| UK Science and Technology Facilities Council | EDU | United Kingdom |
| UNAVCO | ORG | United States |
| Universidad de Chile | EDU | Chile |
| Universidad de Puerto Rico Mayaguez | EDU | Puerto Rico |
| Universidad de Puerto Rico Río Piedras | EDU | Puerto Rico |
| Universidade Estadual do Maranhão | EDU | Brazil |
| Universidade de São Paulo | EDU | Brazil |
| Universitat de les Illes Balears | EDU | Spain |
| University of New South Wales | EDU | Australia |
| University of Twente | EDU | Netherlands |
| Université du Quebec Montreal | EDU | Canada |
| York University | EDU | Canada |
Total: 51 sites | ||