Guides
Storm records, explained.
Short guides for homeowners, roofers and adjusters.
Basics
Hail size chart
From penny to softball: hail sizes in inches, what they compare to and which ones damage roofs.
Read →HomeownersDid hail hit my house?
How to look up hail near an address, what the reports mean and what to do next.
Read →DataHow storm reports work
Who reports hail and wind, why some storms go unreported and how preliminary reports become Storm Data.
Read →DataHail history by state and county
Hail days, largest hail and recent storms for every county since 2010.
Read →