United States · August 31, 2023

Hail map — August 31, 2023

NOAA radar detected hail of an inch or more over 4 cities across 1 state on August 31, 2023. The largest stones — 1.00″, quarter size — fell over Tucson, AZ.

Hail swath map for Tucson, AZ on August 31, 2023 showing 1.00 inch hail.
Largest rendered swath of the day: Tucson, AZ — 1.00″ hail. Each city below has its own map for this storm.
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States hit
1
Cities hit
4
Largest stone
1.00″
quarter size
Impact rating
3/10
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 31, 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 31, 2023

4 reports filed with the National Weather Service — 3 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 Trained Spotter
    2 ESE Payson, AZ3:40 PM MSTGila County
  • 1.00″ quarter size NWS Employee
    Payson, AZ3:32 PM MSTGila County
  • 1.00″ quarter size Public
    12 W Tucson, AZ6:01 PM MSTPima County

    Report of quarter sized hail that caused damage to roofing and broke a window.

  • 0.70″ penny size Trained Spotter
    1 ESE Sun Lakes, AZ8:45 PM MSTMaricopa County

    0.7 inch diameter hail measured. Spotter ID: MAA 23-46.

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.

FAQ

US hail on August 31, 2023

NOAA radar put hail of an inch or more over 4 cities across 1 state on August 31, 2023. The largest stones — 1.00 inches, quarter size — were over Tucson, AZ. Every state hit is listed on this page, and every city under it.

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