Question 1

Where does the hail data come from?

Accepted Answer

All hail events shown on this tracker are from the NOAA Storm Events Database, maintained by the National Centers for Environmental Information (NCEI). NOAA collects data from the National Weather Service and trained storm spotters. Data is verified and refreshed weekly.

Question 2

What hail size typically causes claimable roof damage?

Accepted Answer

Hail 1.00 inch (quarter-sized) or larger typically causes damage to asphalt shingle roofs that meets most insurance carriers' claim threshold. Hail 1.50 inches or larger almost always causes severe damage requiring full roof replacement. Smaller hail (0.50-0.99 inch) can cause cosmetic damage and granule loss that accelerates roof aging.

Question 3

What should I do if hail hit my area?

Accepted Answer

First, document the storm: take photos of any visible damage, hail accumulation, and weather alerts on your phone. Don't climb on your roof yourself. Call Phase III Construction at (734) 237-7322 for a free professional inspection. We document damage thoroughly for insurance claims and handle the carrier negotiation so you don't have to.

Question 4

Why doesn't my city show specific hail events?

Accepted Answer

NOAA collects events by report from trained storm spotters. Urban areas with dense tree cover and nighttime storms are underreported because spotters can't observe accurately. If your area has had storms but doesn't appear on the tracker, that doesn't mean no hail fell. A roof inspection is the only way to confirm damage.

Question 5

How far back does the data go?

Accepted Answer

This tracker shows the last 24 months of verified NOAA hail events. Data has roughly 60-90 day lag from event date to NOAA publication, so the most recent storms may not appear yet. For real-time storm verification on your specific property, contact Phase III directly.

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Hail Events By County — Last 24 Months

Recent Hail Events

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