Hail map — September 12, 2024
NOAA radar detected hail of an inch or more over 1 city across 1 state on September 12, 2024. The largest stones — 1.00″, quarter size — fell over New Castle, PA.
- States hit
- 1
- Cities hit
- 1
- 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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States hit on September 12, 2024
Every state where NOAA radar put an inch or more of hail over a city that day, biggest stone first.
Hardest hit on September 12, 2024
What people on the ground measured in the US on September 12, 2024
13 reports filed with the National Weather Service — 8 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.
- 2.00″ hen egg size NWS Employee1 NE Sheridan, WY3:10 PM MDTSheridan County
- 1.50″ half dollar size Public1 NE Sheridan, WY3:00 PM MDTSheridan County
- 1.25″ half dollar size Trained Spotter2 ENE Sheridan, WY3:13 PM MDTSheridan County
- 1.25″ half dollar size PublicSheridan, WY3:17 PM MDTSheridan County
- 1.00″ quarter size Trained SpotterSheridan, WY3:00 PM MDTSheridan County
- 1.00″ quarter size Emergency MngrSheridan, WY3:03 PM MDTSheridan County
- 1.00″ quarter size Public2 W Ucross, WY4:16 PM MDTSheridan County
Mostly dime size, with a few quarter size hail.
- 0.88″ penny size Public1 SSW Sheridan, WY3:00 PM MDTSheridan County
- 0.88″ penny size Trained Spotter11 SW Coalwood, MT4:43 PM MDTPowder River County
- 0.88″ penny size Trained SpotterIsmay, MT5:58 PM MDTCuster County
- 0.75″ penny size Public4 N Hodges, MT6:53 PM MDTDawson County
Report from mPING: Dime (0.75 in.).
- 0.50″ penny size Trained Spotter1 SSE Sheridan, WY3:10 PM MDTSheridan County
- 0.50″ penny size Trained Spotter17 ENE Volborg, MT5:20 PM MDTCuster County
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 September 12, 2024
NOAA radar put hail of an inch or more over 1 city across 1 state on September 12, 2024. The largest stones — 1.00 inches, quarter size — were over New Castle, PA. Every state hit is listed on this page, and every city under it.