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Illinois storm reports for August 9, 2021

NOAA recorded 1 wind report and 13 tornado reports in Illinois on August 9, 2021.

in Illinois
14
Storm reports
About 38 miles from Peoria, IL
70 mph
Highest gust
Highest rating EF1, about 17 miles from Rockford, IL
13
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 August 9, 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

Tornado13, most at 6 PM

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

Every report

Source: NOAA/NWS Storm Prediction Center.

TimeRatingWherePath
4:35 PMEF0About 16 miles from Rockford, IL0.1 mi long, 20 yd wide
4:44 PMEF1About 17 miles from Rockford, IL1.8 mi long, 80 yd wide
4:45 PMEF1About 41 miles from Rockford, IL0.4 mi long, 70 yd wide
5:24 PMEF1About 28 miles from Rockford, IL3.8 mi long, 100 yd wide
5:28 PMEF0About 18 miles from Rockford, IL6.8 mi long, 50 yd wide
6:03 PMNot ratedAbout 38 miles from Rockford, IL1.3 mi long, 75 yd wide
6:13 PMEF1About 29 miles from Rockford, IL1.5 mi long, 150 yd wide
6:13 PMNot ratedAbout 52 miles from Rockford, IL0.01 mi long, 5 yd wide
6:26 PMEF0About 32 miles from Rockford, IL0.2 mi long, 20 yd wide
6:28 PMEF0About 32 miles from Rockford, IL3.9 mi long, 400 yd wide
6:38 PMNot ratedAbout 36 miles from Rockford, IL0.1 mi long, 10 yd wide
6:57 PMEF1About 52 miles from Peoria, IL3 mi long, 525 yd wide
7:24 PMNot ratedAbout 46 miles from Peoria, IL1.11 mi long, 100 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.