- AZMET - Arizona Meteorological Network
 - Weather data and information for agricultural and horticultural use. - Bureau of Meteorology Research Centre (BMRC)
- Established in 1985 as the research division of the Bureau of Meteorology, the National Meteorological Service of Australia.
- Center for Analysis and Prediction of Storms (CAPS)@
- Desert Research Institute@
- Finnish Meteorological Institute
- India National Centre for Medium Range Weather Forecasting (NCMRWF)
- Provides weather forecasts and researches in numerical weather prediction, diagnostic studies, and crop weather modelling. Site features weather bulletins, events, and activities of the Indian Meteorological Society.
- International HIRLAM Project
- A cooperation of the meteorological institutes to develop and maintain a short-range, high-resolution, numerical weather forecasting system for operational use.
- Jet Propulsion Laboratory - Scatterometry Projects, NSCAT and SeaWinds
- Intended for long term study of subjects such as the global climate, weather changes, air-sea interaction, and the water cycle.
- Lithuanian Hydrometeorological Service
- State institution providing meteorological and hydrological observations and forecasts. Also in Lithuanian.
- Mesoscale Dynamics & Modeling Laboratory - North Carolina State University
- Involves the studies of geophysical fluids and mesoscale meteorological phenomena.
- Nansen Environmental and Remote Sensing Center (NERSC)
 National Centre for Medium Range Weather Forecasting (NCMRWF)
- Provides weather forecasts and researches in numerical weather prediction, diagnostic studies, and crop weather modelling. Site features weather bulletins, events, and activities of the Indian Meteorological Society.- National Oceanic and Atmospheric Administration (NOAA)@
- Learn about the National Oceanic and Atmospheric Administration's investigation into U.S. and world climates, weather, coasts, oceans, and deep seas. Also find sites for NOAA's National Weather Services, the National Marine Fisheries Service, National Severe Storms Laboratory, and other scientific services.
- National Weather Service@
- Find National Weather Service (NWS) news, warnings, and forecasts. Also learn about the NWS's National Hurricane Centre, Doppler radar, satellite network, and their other weather forecasting services.
- Norwegian Meteorological Institute
- Provides the public meteorological services for both civil and military purposes in Norway.
- Regional Weather Information Center - University of North Dakota
- Royal Meteorological Institute of Belgium
- Providing research and long term standardised meteorological, climatological, and geophysical observations.
- Storm Prediction Center - NOAA's National Weather Service
- Find severe and hazardous weather forecasts and warnings for the continental U.S. NOAA Storm Prediction Centre offers current and historical tornado, thunderstorm, hail, wind, and fire weather data.
- Tornado and Storm Research Organisation
- In the United Kingdom, which has the highest frequency of reported tornadoes per unit area in the world.
- Tropical Rainfall Measuring Mission (TRMM) (2)
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