Iowa hail map — May 24, 2024
NOAA radar detected hail of an inch or more over 1 Iowa city on May 24, 2024. The largest stones — 1.00″, quarter size — fell over Waterloo.
- Cities hit
- 1
- in Iowa
- Largest stone
- 1.00″
- quarter size
- Impact rating
- 3/10
- 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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Iowa cities hit on May 24, 2024
What people on the ground measured in Iowa on May 24, 2024
12 reports filed with the National Weather Service — 2 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.
- 2.75″ baseball size Broadcast MediaHumeston, IA3:52 AM CDTWayne County
Delayed report - picture of at least baseball sized hail on the west side of Humeston.
- 2.50″ hen egg size Broadcast MediaHumeston, IA3:58 AM CDTWayne County
Social media photo of tennis ball sized hail near Humeston. Relayed via broadcast media.
- 2.00″ hen egg size Trained Spotter1 NE FOSTORIA, IA3:05 AM CDTDickinson County
- 2.00″ hen egg size Broadcast MediaHumeston, IA3:53 AM CDTWayne County
Delayed report - media picture of 2 inch hail near Humeston.
- 1.75″ golf ball size Public2 E SPENCER, IA2:48 AM CDTClay County
- 1.75″ golf ball size Law EnforcementLeon, IA3:23 AM CDTDecatur County
Time estimated from radar.
- 1.75″ golf ball size PublicHumeston, IA4:00 AM CDTWayne County
Estimated size of hail from social media.
- 1.75″ golf ball size Fire Dept/RescueDerby, IA4:03 AM CDTLucas County
Delayed report of hail up to golf ball size from the Derby Fire Department. Time estimated from radar.
- 1.75″ golf ball size Public3 SE Winthrop, IA7:00 AM CDTBuchanan County
A lot of quarter sized hail and some golf balls.
- 1.50″ half dollar size Trained SpotterPrairie City, IA5:22 AM CDTJasper County
Ping pong hail briefly fell followed by winds. Time estimated with radar.
- 1.25″ half dollar size PublicNewell, IA1:40 AM CDTBuena Vista County
Photo and report via social media. Time estimated from radar.
- 1.25″ half dollar size Public4 SSW Nevada, IA3:20 AM CDTStory County
Social Media report between Cambridge and Nevada.
Showing the 12 largest of 39 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 Iowa hail days
Iowa hail on May 24, 2024
NOAA radar put hail of an inch or more over 1 Iowa city that day. The largest stones — 1.00 inches, quarter size — were over Waterloo. Every city hit is listed above with its own stone size.