Hail map — August 31, 2024
NOAA radar detected hail of an inch or more over 3 cities across 2 states on August 31, 2024. The largest stones — 2.00″, hen egg size — fell over Sioux City, IA.
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- The August 31, 2024 swath — and every other storm since 2023 across your state
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- States hit
- 2
- Cities hit
- 3
- Largest stone
- 2.00″
- hen egg size
- Impact rating
- 7/10
- from stone size
Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
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States hit on August 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 August 31, 2024
What people on the ground measured in the US on August 31, 2024
One report filed with the National Weather Service — 1 from trained observers or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 0.50″ penny size Trained Spotter5 W Cave Creek, AZ5:47 PM MSTMaricopa County
Hailstones of up to half inch diameter observed near 12St. and Cloud Road.
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 August 31, 2024
NOAA radar put hail of an inch or more over 3 cities across 2 states on August 31, 2024. The largest stones — 2.00 inches, hen egg size — were over Sioux City, IA. Every state hit is listed on this page, and every city under it.