Hail map — September 15, 2024
NOAA radar detected hail of an inch or more over 1 city across 1 state on September 15, 2024. The largest stones — 1.00″, quarter size — fell over Rapid City, SD.
- 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 15, 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 15, 2024
What people on the ground measured in the US on September 15, 2024
13 reports filed with the National Weather Service — 6 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.
- 1.50″ half dollar size Trained Spotter7 S Kersey, CO3:40 PM MDTWeld County
- 1.00″ quarter size Trained SpotterWheatland, WY4:45 PM MDTPlatte County
Trained spotter reports quarter size hail.
- 1.00″ quarter size Emergency Mngr11 WNW Veteran, WY5:48 PM MDTGoshen County
Report of slightly larger than quarter size hail.
- 1.00″ quarter size Emergency Mngr7 WNW Veteran, WY5:48 PM MDTGoshen County
Report of slightly larger that quarter size hail.
- 1.00″ quarter size PublicTorrington, WY6:32 PM MDTGoshen County
Social media report of quarter size hail and gusty winds.
- 1.00″ quarter size NWS Employee2 E Dwtn Rapid City, SD11:24 PM CDTPennington County
- 1.00″ quarter size Public4 E Dwtn Rapid City, SD11:25 PM CDTPennington County
Copious amounts of hail.
- 1.00″ quarter size Public4 ENE Dwtn Rapid City, SD11:25 PM CDTPennington County
- 1.00″ quarter size Public3 E Dwtn Rapid City, SD11:30 PM CDTPennington County
mPING report
- 0.88″ penny size CoCoRaHS6 W Hermosa, SD10:55 PM CDTCuster County
- 0.75″ penny size Public1 W Hermosa, SD11:05 PM CDTCuster County
Wind gusts of 30 to 40 mph.
- 0.75″ penny size Storm Chaser3 WSW Dwtn Rapid City, SD11:26 PM CDTPennington County
- 0.70″ penny size Trained Spotter7 N Benkelman, NE5:55 PM CDTDundy County
Reported via social media. Time report/radar estimated.
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 15, 2024
NOAA radar put hail of an inch or more over 1 city across 1 state on September 15, 2024. The largest stones — 1.00 inches, quarter size — were over Rapid City, SD. Every state hit is listed on this page, and every city under it.