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A winter storm warning is issued for a significant winter weather event including snow, ice, sleet or blowing snow or a combination of these hazards. Travel will become difficult or impossible in ...
Map of regions covered by the 122 Weather Forecast Offices. The National Weather Service operates 122 weather forecast offices. [1] [2] Each weather forecast office (WFO or NWSFO) has a geographic area of responsibility, also known as a county warning area, for issuing local public, marine, aviation, fire, and hydrology forecasts.
Vehicles are stuck during a snowstorm on Wednesday, Feb. 22, 2023, in Sioux Falls, S.D. A brutal winter storm knocked out power in California, closed interstate highways from Arizona to Wyoming ...
NEXRAD or Nexrad (Next-Generation Radar) is a network of 159 high-resolution S-band Doppler weather radars operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and the U.S. Air Force within the ...
The first Weather Bureau radiosonde was launched in Massachusetts in 1937, which prompted a switch from routine aircraft observation to radiosondes within two years. The Bureau prohibited the word "tornado" from being used in any of its weather products out of concern for inciting panic (a move contradicted in its intentions by the high death tolls in past tornado outbreaks due to the lack of ...
On this page, you'll find maps below that will help to track the storm. Check back throughout the storm, as these maps will update frequently with the latest information. (MORE: Winter Storm Cora ...
A winter storm watch is issued by the National Weather Service of the United States when there is a possibility of heavy snow or potential of significant ice accumulations, without meeting a specific other winter criteria. The watch is typically issued 12 to 48 hours before the storm's expected arrival in the given area. [1]
The storm resulted in the National Weather Service issuing various winter weather alerts impacting over 170 million Americans. Over 9.9 million people in the U.S. and Mexico experienced blackouts, many due to a major power crisis in Texas , [ 12 ] [ 13 ] [ 16 ] which became the largest in the U.S. since the Northeast blackout of 2003 . [ 17 ]