The NWS provides weather, hydrologic and climate forecasts and warnings for the U.S. - including its territories, adjacent waters and ocean areas, with data gathered from a broad national infrastructure covering land, sea and air. The agency’s mission includes a mandate to “protect life and property and enhance the national economy.”
Data includes that gathered from weather radar and satellites, as well as from marine observation buoys and surface observation systems that assist the aviation industry. The agency collects, compiles and analyzes data, and generates outlooks, forecasts and warnings.
In addition to agency employees, NWS operations are aided by community volunteers, cooperative observers and “storm spotters,” who collect and report critical data.
After a $4.5 billion modernization project, the agency includes 121 field offices, 13 river forecast centers and nine national centers. NWS maintains the largest meteorological telecommunications switching center in the world, sending and receiving around 400,000 bulletins each day.
According to the government, the agency issues more than 734,000 forecasts (fire weather, public, aviation, marine) and 850,000 river and flood forecasts annually, including 45,000 to 50,000 potentially life-saving severe weather warnings.
Additionally, the agency’s operations have a significant impact on the economy. Industries like construction, which contributes more than $200 billion annually to the U.S. economy, are directly dependent on accurate short- and long-range weather forecasts. NWS forecasts are also critical to commercial and private transportation industries.
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