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Even the core winter months of December through February have averaged three to six nocturnal tornadoes in the U.S. each month from 1953 through 2015, according to NOAA's Storm Prediction Center.
So far, over 140 reports of severe thunderstorm winds, damage, or reports of tornadoes have been received by National Weather Service offices.
In the Kansas City office of the NWS, forecasts late Monday afternoon were “hammering home the potential for 60-70+ mph wind gusts” over parts of eastern Nebraska, Kansas and west-central ...
This is a list of mesoscale discussions concerning specific ongoing tornadoes. Convective mesoscale discussions are issued by the National Oceanic and Atmospheric Administration’s Storm Prediction Center based on the National Weather Center in Norman, Oklahoma.
Watches are issued by the NOAA's Storm Prediction Center (SPC).Typical watches cover about 25,000 square miles, or about half the size of Iowa, according to the SPC. "A watch is issued when ...
This is a list of tornadoes which has been officially or unofficially labeled as F3, EF3, IF3 during the 2020s decade. These scales – the Fujita scale, the Enhanced Fujita scale, the International Fujita scale, and the TORRO tornado intensity scale – attempt to estimate the intensity of a tornado by classifying the damage caused to natural features and man-made structures in the tornado's ...
In late 2023, American meteorologist and tornado expert Thomas P. Grazulis created the Outbreak Intensity Score (OIS) as a way to rank tornado outbreaks. [1] [2] For the score, only significant tornadoes are counted: F2/EF2 tornadoes receive 2 points each, F3/EF3 tornadoes receive 5 points each, F4/EF4 tornadoes receive 10 points each, and F5/EF5 tornadoes receive 15 points each. [1]
If the radar shows a strong area of rotation and a debris ball in the same area, it is a strong indication that a tornado is occurring. "This signature, known as the Tornadic Debris Signature (TDS ...