Hydrometeorological Prediction Center - Providing outlooks for heavy rain and snow, as well as guidance weather forecasts through five days.

International Research Institute for Climate Prediction - Assessing and developing seasonal-to-interannual climate forecasts, while fostering the application of such forecasts to the explicit benefit of society.
Meta Description: [ IRI is working to accelerate the ability of societies worldwide to cope with climate fluctuations, especially those that cause devastating impacts on humans and the environment, thereby reaping the benefits of research on the predictability of El Nino-Southern Oscillation (ENSO) phenomenon and ot... ]

Long-Range Weather Forecasts - Long-range weather forecasts from Harris-Mann Climatology, including a U.S. Climate Timeline.
Meta Description: [ Weather record search, search extreme weather events, daily forecast subscription service and long-term weather trends. ]

National Centers for Environmental Prediction - The U.S. National Weather Service office that provides worldwide forecast guidance products.

North Atlantic Oscillation: Data Analysis - North Atlantic Oscillation and its relevance to climate variability and predictability. Includes information on air-sea and air-land interactions, model results, and satellite data.

Ocean Prediction Center - The section of NCEP responsible for issuing marine warnings, forecasts and guidance for maritime users.

PreDiCate - Atlantic-European Climate Group, Department of Meteorology, University of Reading. Mechanisms and predictability of decadal climate fluctuations.

RHEA forecasts the wet-weather risks - RHEA provide consulting services and skills in urban hydrology, water pollution control, automatic controls and atmospheric physics.
Meta Description: [ Avec RHEA, prévoyez et gérez vos risques d’inondation et de pollution par temps de pluie. Société d'expertise et d'assistance à la gestion des réseaux hydrographiques naturels ou de main d’homme. RHEA provide consulting services and skills in urban hydrology, water pollution control, auto... ]

Seasonal Forecasts of Extreme Weather Events - Seasonal forecasts of European Windstorms, US Hurricanes, Far East Typhoons and Australian Cyclone. Statistical forecast techniques are employed.
Meta Description: [ seasonal forecasts of extreme weather events ]

Space Environment Center - Providing space weather alerts and warnings to the nation and the world for disturbances that can affect people and equipment working in space and on Earth.

Storm Prediction Center - Official government site for the prediction of thunderstorms and severe weather in the U.S.
Meta Description: [ Severe weather information from the Storm Prediction Center. ]

Tropical Prediction Center - National Hurricane Center site providing detailed location and forecasting of tropical storms and hurricanes

U.S. Historical Climatology Network (U.S. HCN) - Best available historical (monthly) temperature and precipitation data from the United States for analyzing long-term climate trends on a regional scale. Data for most stations extend through December, 1994, and a majority of the station records are complete for at least 80 years.