NOAA: April 2011 tornado information

NOAA: April 2011 tornado information

2

Published

2 May 2011
Press Release Number:
N/A

NOAA's preliminary estimate is that there were 312 tornadoes during the entire outbreak from 8:00 a.m. EDT April 26 to 8:00 a.m. April 28, 2011.

  • During the 24-hour period from 8:00 a.m. EDT April 27 to 8:00 a.m. EDT April 28, The National Weather Service (NWS) estimates there were a total of 226 tornadoes.
  • The NWS Storm Prediction Center issued severe weather outlooks five days in advance and tornado watches hours in advance.
  • NWS Weather Forecast Offices issued life-saving tornado warnings, with an average lead-time of 24 minutes. NWS issued warnings for more than 90 percent of these tornadoes. More

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