FREE TOOL · NOAA DATA · ALL 50 STATES

Hail History Report

Look up every documented hail and severe-wind event in your county since 2016. 3,026 counties · all 50 states · 87,206+ hail events · see which storms could make a roof claim-eligible.

Top counties — search to find yours

What size hail damages a roof?

1.0″
Quarter
Can bruise asphalt shingles and granule loss begins. Borderline for claims.
1.75″
Golf ball
Frequently causes claimable damage. The threshold most restoration crews watch.
2.75″+
Baseball
Severe, obvious damage — punctures, mat fractures. Near-certain claim.

Source: NOAA Storm Events Database (federal record), 2016–present, all 50 states. Hail in inches, wind in mph. Most carriers accept roof claims within ~1 year of the storm — which is why your county's storm timeline matters.

Questions

What size hail makes a roof insurance-claim eligible?

As a rule of thumb, hail 1" (a quarter) or larger can bruise asphalt shingles, and 1.75" (a golf ball) or larger frequently causes claimable damage. Most carriers accept claims within ~1 year of the storm.

Where does this hail data come from?

The NOAA Storm Events Database, the federal record of severe weather, 2016–present. Hail sizes are in inches; this tool covers all 50 US states at the county level.

Looking for the ten-year national picture? Read the American Hail Belt report — every hail event NOAA recorded since 2016, by state and county, free to cite.

Storm history is step one.
Knowing which roofs is step two.

Curbsight scores every home in your county by storm exposure, roof age, and owner status — so your reps knock the claimable roofs, not the whole map. Free sample territory on a 30-minute call.

Get Your Area Scored →