Hail map — September 17, 2024
NOAA radar detected hail of an inch or more over 1 city across 1 state on September 17, 2024. The largest stones — 1.00″, quarter size — fell over Alafaya, FL.
- 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 17, 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 17, 2024
What people on the ground measured in the US on September 17, 2024
9 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.
- 1.75″ golf ball size Trained Spotter2 W Bloomfield, MT5:10 PM MDTDawson County
Golf ball size hail around 5:10 PM. Wind gusts in the upper 40s.
- 1.25″ half dollar size Public4 S Flaxville, MT5:53 PM MDTDaniels County
Relayed via public Facebook report. Time estimated by radar.
- 1.25″ half dollar size PublicPoplar, MT6:10 PM MDTRoosevelt County
Relayed via public Facebook photo report.
- 1.00″ quarter size Public4 NNW Ghost Ranch, NM5:40 PM MDTRio Arriba County
Quarter size hail at MM232 along U.S. Hwy 84.
- 0.75″ penny size Public31 WNW Castle Rock, SD7:50 PM CDTButte County
- 0.50″ penny size Cocorahs6 NE Rio Rancho, NM2:40 PM MDTSandoval County
Hail completely covered the ground and took 30 minutes to melt.
- 0.50″ penny size Public7 WSW Harding, SD8:10 PM CDTHarding County
- 0.25″ penny size Cocorahs5 W Pagosa Springs, CO4:15 PM MDTArchuleta County
- 0.25″ penny size Trained Spotter4 WSW Pagosa Springs, CO4:45 PM MDTArchuleta 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 17, 2024
NOAA radar put hail of an inch or more over 1 city across 1 state on September 17, 2024. The largest stones — 1.00 inches, quarter size — were over Alafaya, FL. Every state hit is listed on this page, and every city under it.