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Iowa storm reports for May 20, 2021

NOAA recorded 1 wind report and 2 tornado reports in Iowa on May 20, 2021.

in Iowa
3
Storm reports
About 27 miles from Des Moines, IA
72 mph
Highest gust
Highest rating EF0, about 23 miles from Des Moines, IA
2
Tornado reports
Sources: NOAA/NWS Storm Prediction Center reports; radar hail estimates from NOAA MRMS; damage surveys from the NWS Damage Assessment Toolkit

Hail, inches

  • 0.75
  • 1
  • 1.5
  • 2
  • 2.5
  • 3+

Dots: reports. Shading: radar estimate.

  • Wind report
  • Tornado and its path
  • Surveyed tornado path

Source: NOAA/NWS Storm Prediction Center, final severe weather database (from NOAA's Storm Data). Report day: 12:00 UTC on May 20, 2021 to 12:00 UTC the next day. Times are Central.

Select a dot or a path for the report. NWS survey teams walked the shaded paths after the storm; each is drawn at the widest width they found, so it can look wider than the damage at any one spot.

Reports by hour

Wind1, most at 8 PM

Tornado2, most at 9 PM

Reports per hour, Central time. Each row has its own scale.

Every report

Source: NOAA/NWS Storm Prediction Center.

TimeRatingWherePath
9:04 PMNot ratedAbout 23 miles from Des Moines, IA0.46 mi long, 30 yd wide
9:44 PMEF0About 23 miles from Des Moines, IA1.93 mi long, 50 yd wide

Reports are what observers recorded near a location, not a complete record of every storm. They don’t describe conditions at any building.