Hail map — July 31, 2024
NOAA radar detected hail of an inch or more over 22 cities across 6 states on July 31, 2024. The largest stones — 2.00″, hen egg size — fell over West Des Moines, IA.
- States hit
- 6
- Cities hit
- 22
- Largest stone
- 2.00″
- hen egg size
- Impact rating
- 7/10
- from stone size
Sizes come from NOAA MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
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States hit on July 31, 2024
Every state where NOAA radar put an inch or more of hail over a city that day, biggest stone first.
Hardest hit on July 31, 2024
What people on the ground measured in the US on July 31, 2024
15 reports filed with the National Weather Service — 4 from trained spotters or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 6.00″ softball size Public4 NW Chokio, MN5:11 PM CDTStevens County
Measured 5.7 to 6 inch hailstone reported by resident via Emergency Management. Stone collected at 5:11pm approximately 4 miles NW of Chokio.
- 5.00″ softball size Public3 NW Chokio, MN4:48 PM CDTStevens County
Delayed report, relayed via Emergency Manager.
- 4.00″ softball size Trained Spotter4 NE Prairie View, KS4:12 PM CDTPhillips County
report from trained spotter into EM. estimated location 13 NW from Philipsburg.
- 4.00″ softball size PublicGraceville, MN4:24 PM CDTBig Stone County
Photo passed along from NWS Twin Cities.
- 3.50″ baseball size PublicGraceville, MN4:30 PM CDTBig Stone County
- 2.75″ baseball size PublicGraceville, MN4:20 PM CDTBig Stone County
baseball sized hail from social media video.
- 2.75″ baseball size Trained Spotter3 SSW Donnelly, MN5:05 PM CDTStevens County
- 2.50″ hen egg size Public4 SSW Watson, MN7:15 PM CDTLac qui Parle County
Corrects previous hail report for updated time and location. Delayed report, time clarified by reporter via Facebook.
- 2.50″ hen egg size PublicMontevideo, MN7:28 PM CDTChippewa County
Delayed report, time estimated from radar.
- 2.00″ hen egg size PublicGraceville, MN4:30 PM CDTBig Stone County
Photo next to golf ball sent in over social media.
- 2.00″ hen egg size Public6 NNW Northfield, MN5:45 PM CDTDakota County
Delayed report by the Sherrifs office.
- 2.00″ hen egg size Public7 NE Farwell, MN6:05 PM CDTDouglas County
- 2.00″ hen egg size PublicHerrick, SD7:00 PM CDTGregory County
Social media report with picture of hail estimated to be 2 inches.
- 2.00″ hen egg size Trained Spotter8 S Monowi, NE8:28 PM CDTHolt County
- 1.75″ golf ball size Trained SpotterHollinger, NE3:50 PM CDTFurnas County
Showing the 15 largest of 108 hail reports filed that day.
Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.
Other hail days
US hail on July 31, 2024
NOAA radar put hail of an inch or more over 22 cities across 6 states on July 31, 2024. The largest stones — 2.00 inches, hen egg size — were over West Des Moines, IA. Every state hit is listed on this page, and every city under it.