California hail map — September 10, 2025
NOAA radar detected hail of an inch or more over 9 California cities on September 10, 2025. The largest stones — 2.00″, hen egg size — fell over Van Nuys.
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Every address in California at once — three years of NOAA hail swaths drawn on a map you can zoom, filter and actually work.
$79/moall of California, not one storm day
- The September 10, 2025 swath — and every other storm since 2023 across California
- GPS door-knocking — pins, photos and who you have already hit
- Jobs, contacts, estimates and invoices included
- An alert the next time California gets hit
HailTrace charges $229 for this one day, once. $79 here is all of California, every day.
- Cities hit
- 9
- in California
- Largest stone
- 2.00″
- hen egg size
- Impact rating
- 7/10
- from stone size
Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
Did hail hit your address?
This page covers California as a whole. Check your own address to see every storm on record for your roof — the date and the stone size for each one — and we'll email you the full report to keep.
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Hail elsewhere on September 10, 2025
The full US hail map for September 10, 2025 →Other California hail days
Shopping for a hail app to work California?
This page is one storm. If you are deciding which tool to work California with all season, these compare the ones roofers actually buy — with every price taken from the vendor's own site and linked.
- Best hail tracking apps, comparedHailMate, HailTrace, Hail Recon, HailStrike and RadarScope — every published price sourced and linked, and who each one is genuinely right for.
- HailMate vs HailTraceStreet-level NOAA swaths on a map your crew can knock, with the CRM already inside — instead of quote-only meteorologist maps billed on top of one.
- Hail map apps for roofers (and the Hail Recon alternative)Every storm on one map instead of loading dates one at a time — plus the canvassing and the whole claim, monthly, for what one state costs them a year.
- Best canvassing apps, comparedHailMate, SalesRabbit, SPOTIO, Knockio, RoofLink and Badger Maps — every published price sourced and linked, and two of them publish none.
California hail on September 10, 2025
NOAA radar put hail of an inch or more over 9 California cities that day. The largest stones — 2.00 inches, hen egg size — were over Van Nuys. Every city hit is listed above with its own stone size.