Arizona hail map — August 21, 2024
NOAA radar detected hail of an inch or more over 2 Arizona cities on August 21, 2024. The largest stones — 1.00″, quarter size — fell over Tucson.
- Cities hit
- 2
- in Arizona
- 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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Arizona cities hit on August 21, 2024
What people on the ground measured in Arizona on August 21, 2024
4 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.
- 1.50″ half dollar size Public2 NW Willcox, AZ3:25 PM MSTCochise County
Video on social media showing accumulating hail with the biggest hailstone being 1.5 inches in diameter. Another video at same location showed damage to car windshield and dents in hood and roof of car from same person.
- 1.25″ half dollar size Trained Spotter8 WNW Tucson, AZ12:23 PM MSTPima County
Trained spotter reported 1.25 inch accumulating hail.
- 1.00″ quarter size Public5 W Chino Valley, AZ12:11 PM MSTYavapai County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Trained Spotter8 WNW Tucson, AZ12:21 PM MSTPima County
Report from trained spotter of accumulating 1 inch 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.
Hail elsewhere on August 21, 2024
The full US hail map for August 21, 2024 →Other Arizona hail days
Arizona hail on August 21, 2024
NOAA radar put hail of an inch or more over 2 Arizona cities that day. The largest stones — 1.00 inches, quarter size — were over Tucson. Every city hit is listed above with its own stone size.