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Iowa storm reports for October 20, 2021

NOAA recorded 1 hail report in Iowa on October 20, 2021.

in Iowa
1
Storm reports
About 58 miles from Sioux Falls, SD
0.88 in
Largest hail
0
Tornado reports
Sources: NOAA/NWS Storm Prediction Center reports; radar hail estimates from NOAA MRMS; gust estimates from NOAA URMA

Hail, inches

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

Dots: reports. Shading: radar estimate.

  • Estimated gusts, 50 to 90 mph

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

Select a dot or a path for the report. Gust lines are estimates: the highest gust of the day in NOAA's hourly 2.5 km wind analysis (URMA), which fills in between weather stations. They aren't measurements at any building.

Reports by hour

Hail1, most at 9 AM

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

Every report

Source: NOAA/NWS Storm Prediction Center.

TimeSizeWhere
9:17 AM0.88 inAbout 58 miles from Sioux Falls, SD

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