Hail map — August 21, 2023
NOAA radar detected hail of an inch or more over 8 cities across 2 states on August 21, 2023. The largest stones — 1.50″, half dollar size — fell over Tucson, AZ.
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- The August 21, 2023 swath — and every other storm since 2023 across your state
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- States hit
- 2
- Cities hit
- 8
- Largest stone
- 1.50″
- half dollar size
- Impact rating
- 5/10
- 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 21, 2023
Every state where NOAA radar put an inch or more of hail over a city that day, biggest stone first.
What people on the ground measured in the US on August 21, 2023
5 reports filed with the National Weather Service — 2 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.
- 1.50″ half dollar size Public4 WNW Tucson, AZ3:11 PM MSTPima County
Report from mPING: Ping Pong Ball (1.50 in.).
- 1.50″ half dollar size Official NWS Obs4 WNW Tucson, AZ3:13 PM MSTPima County
1.50 inch hail at the NWS Tucson office.
- 1.50″ half dollar size Public4 SW Tucson, AZ3:14 PM MSTPima County
Ping Pong ball size hail.
- 1.00″ quarter size Public5 SSW Tucson, AZ3:01 PM MSTPima County
- 1.00″ quarter size Trained Spotter2 E Tucson, AZ3:10 PM MSTPima County
1 inch diameter hail.
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 21, 2023
NOAA radar put hail of an inch or more over 8 cities across 2 states on August 21, 2023. The largest stones — 1.50 inches, half dollar size — were over Tucson, AZ. Every state hit is listed on this page, and every city under it.