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Storm Data and Unusual Weather Phenomena (SD) is a monthly NOAA publication with comprehensive listings and detailed summaries of severe weather occurrences in the United States. Included is information on tornadoes , high wind events, hail , lightning , floods and flash floods , tropical cyclones (hurricanes), ice storms , snow , extreme ...
A Local Storm Report (LSR) is transmitted by the National Weather Service (NWS) when it receives significant information from storm spotters, such as amateur radio operators, storm chasers, law enforcement officials, civil defense (now emergency management) personnel, firefighters, EMTs or public citizens, about severe weather conditions in their warning responsibility area (County Warning ...
The Storm Prediction Center (SPC) is a US government agency that is part of the National Centers for Environmental Prediction (NCEP), operating under the control of the National Weather Service (NWS), [1] which in turn is part of the National Oceanic and Atmospheric Administration (NOAA) of the United States Department of Commerce (DoC).
This map contains continuously updated storm reports and damage from the National Weather Service for the past 48 hours. Reports include tornado, wind storm and hail storm reports.
According to the NWS, it’s the fifth-highest value on record dating back over 100 years. Marsh reeds and storm debris covered much of the MarshWalk at Murrells Inlet early Thursday, Aug. 31 ...
A high risk severe weather event is the greatest threat level issued by the Storm Prediction Center (SPC) for convective weather events in the United States. On the scale from one to five, a high risk is a level five; thus, high risks are issued only when forecasters at the SPC are confident of a major severe weather outbreak.
Out of the over 500 historical storms assessed since 1900, only 26 storms have been given a category 5 ranking. The highest ranking storm on the list is the Great Blizzard of 1978, which scored a value of 39.07. The most recent storm to receive a category 5 ranking is the January 2016 United States blizzard, which scored a value of 20.14. The ...
In Northern California, the winter storm system produced a tornado near Paynes Creek and Shingletown, which FOX Weather reported was the first United States tornado in 2025. [ 5 ] [ 6 ] The tornado was confirmed by the National Weather Service's Sacramento office at approximately 5:30 pm PST who issued a tornado warning for Shasta and Tehama ...