Free hail and wind lookup tools for any US address
Ask the record
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Every day with hail on the public record near a US address, ranked by how many independent sources carried it.
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The wind near a US address on one date: the reports and their sources, the strongest measured and estimated gusts, and the nearest stations with their distance.
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Days with hail on the record near a city, counted over the trailing 365 days and the year to date, against the place's own mean.
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Every hail day on the public record near a US address since the year the roof went on, with measured and detected sizes kept apart.
Reference
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What the public storm record holds and how far back, by kind of evidence, national or scoped to a place.
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The Storm Prediction Center hail chart plus the NSSL pea, in inches and millimeters, converted both ways and placed against the severe criteria.
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Work out a percentage wind or hail deductible in dollars: the percentage applies to the dwelling coverage limit, not to the claim, and the page shows the arithmetic both ways.
Beside the tools
The tools are one door into the open record. The hail history by state and city holds the calendar of record for every place, the guides say how a date of loss is established and why measured and detected hail are different objects, and the glossary defines each term as the report prints it.
Questions about the free tools
Are the hail and wind lookup tools free?
Yes. Every tool on this page runs without an account and without a card. Each answers for a place, a date or a published chart from the public record; the paid report is the document for one address, and it is a separate step.
Which tool tells me when it hailed at my address?
The date-of-loss finder. Give it a street address and a window and it lists every day with hail on the public record near the address, ranked by how many independent sources carried each day. The roof exposure tool asks the same question from the year a roof went on.
Where does the data behind these tools come from?
From the public federal and volunteer weather record: storm reports relayed by National Weather Service offices, the Storm Prediction Center, the NCEI Storm Events database, radar hail detections and official station observations. Each tool states on its own page which kinds of evidence it reads, and the coverage tool states how far back each kind reaches.
Do the tools say whether my roof was damaged?
No. Every tool here is exposure and arithmetic over the record: what fell near a place and when, or what a published chart or a policy percentage works out to. None of them reports damage at any address, and none offers insurance, legal or engineering advice.
The tools are the record's context. The report is the address's.
Everything above answers for a place, a date or a published chart. None of it says what reached one roof, because the record can only say that at an address.
Run the address and the archive is searched at the property: every event with its figure as its source published it, measured kept apart from radar-detected, in a fingerprinted document that states its own method. About a minute.
Every tool listed here is exposure and arithmetic over the public record or a cited primary source: none of them reports damage at any address, states that a claim should be made, or offers insurance, legal or financial advice, and each page states its own method and what it is not.