Latest Warnings WMO enables worldwide use of timely, reliable and accurate Numerical Weather Prediction products and services in all time-scales for applications related to weather, climate, water and environment. Past Weather Floods Bismarck Central Pennsylvania Time & Attendance Client Services [pdf], Center Weather Service Units San Joaquin Valley, Montana Upper Air Red Cross

Austin / San Antonio Aviation Weather Center (AWC) Southeast Current Graphical Forecast Maps National Oceanic and Atmospheric Administration The scientific goal of achieving seamless predictions – the integration of weather and climate, between the science and users and between nations on observing the atmosphere – is an important objective for the next decade.

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El Paso For NWS Employees NWS Training Portal Glossary Please Contact Us. Fronts/Precipitation Maps Lightning Damage/Fatality/Injury Statistics La Crosse Great Falls Northeast Greenville/Spartanburg, Virginia Marine Excessive Rainfall and Winter Weather Forecasts International Tsunami Information Center (ITIC) Surface Weather Upper Air Marine and Buoy Reports Snow Cover Satellite Space Weather International Observations. Tornadoes Local Forecast National Hurricane Center (NHC)

Alaska Aviation Weather Unit (AAWU) Springfield Detroit The computing challenge is enhanced by the requirements for data distribution and archiving.

National Operational Hydrologic Remote Sensing Center (NOHRSC) The World Weather Watch collects meteorological, climatological, hydrological and oceanographic data from over 15 satellites, 100 moored buoys, 600 drifting buoys, 3 000 aircraft, 7 300 ships and some 10 000 land-based observation stations. High Plains Office Equal Opportunity & Diversity Management, National Centers for Environmental Prediction, National Operational Hydrologic Remote Sensing Center, Excessive Rainfall and Winter Weather Forecasts, Federal Emergency Management Agency (FEMA), National Oceanic and Atmospheric Administration. Missoula, ACTIVE ALERTS Analyze,  Forecast and Support Office (AFS), formerly OCWWS Minneapolis Ultra Violet Radiation Weather Prediction Center (WPC) Surface Weather Billings UV Alerts The UN’s scientific voice on the state and behaviour of our atmosphere and climate. Miami Raleigh / Durham Washington, River Forecast Centers (RFC)

Strategic Plan This global web site presents OFFICIAL weather forecasts and climatological information for selected cities supplied by National Meteorological & Hydrological Services worldwide. But national, regional and global weather and climate prediction centres produce much more than your daily forecast. Marine National Operational Hydrologic Central Region Chief Administrative Office (OCFO) Eureka (Non-Federal Sites)

Climate In addition to the atmosphere and oceans, they will integrate increasingly accurate information on topography, land-use change, vegetation, rivers, lakes, clouds and socio-economic trends to provide user-specific decision-support services that will touch almost every part of our lives. The WMO provides official weather observations, weather forecasts and climatological information from the National Meteorological and Hydrological Services of Members. It enables delivery of harmonized... © 2020 World Meteorological Organization (WMO), Global Data-processing and Forecasting System, The quiet revolution of numerical weather prediction, Improving Severe Weather Forecasting Capacity at the Department of Meteorology of Sri Lanka, One hundred years of international co-operation in meteorology (1873-1973), The Quiet Revolution of Numerical Weather Prediction. For Students, Parents and Teachers A specialized agency of the United Nations whose mandate covers weather, climate and water resources. International Forecasts Western Region, Administrative Support Centers However, the existing backbone observations also need to be provided by a robust and resilient observing system, which requires substantial international investment and coordination (for more details The quiet revolution of numerical weather prediction, Nature, volume 525, Issue 7567, pages 47–55, published 2 September 2015). This means society has much more advance warning of weather hazards than before, permitting people to prepare and, thereby, limit the loss of lives and property. Hurricanes Office of Science and Technology (OST) Thunderstorms An associated challenge from adding more physical and chemical processes to models is that initial conditions for these constituents are also required and thus more and complex observations need to be assimilated. According to a study by the independent ForecastWatch, all three of these weather apps have a history of getting correct the nation's one- to five-day high temperatures—that is, they consistently forecast within three degrees of accuracy. They are, therefore, one of the most relevant components of routine and severe weather forecasting and warnings at National Meteorological and Hydrological Services. Office of Chief Information Officer (OCIO) Events

Ocean Prediction Center (OPC) Records Shreveport, Tennessee Goodland Thus, the World Weather Watch also produces the standards for measurement of the data collected.