Tuesday, May 10, 2011

Stunning Tornado Stats

NOAA estimates there were 305 tornadoes from April 25 to 28, 2011 while eyewitness reports put that number around 434.

The largest previous number of tornadoes from one event like this occurred on April 3 and 4, 1974 and 148 tornadoes were recorded. 

There were around 326 fatalities during the entire outbreak with 309 of those occurring in 24-hour period from 8 am on April 27 to 8 am on April 28

Tornado fatalities by state during event:
4 - Arkansas
35 - Mississippi
236 - Alabama
31 - Tennessee
5 - Virginia
15 - Georgia

Now for some good news:

  • The NWS Storm Prediction Center issued severe weather outlooks five days in advance and tornado watches hours in advance
  • NWS Weather Forecast Offices issue life-saving tornado warnings with an average lead-time of 24 minutes. 
  • NWS issued warnings for more than 90% of these tornadoes

Tornado Tracks: April 24-29, 2011 (Interactive Map)

April 2011 Weather Stats

Aerial Imagery of Tuscaloosa, AL tornado damage

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