StormProof → hail seasons → Phoenix → 2018
Phoenix hail season 2018
11 NWS-recorded hail reports ≥1″ within 35 miles, across 6 storm days, max 1.75". Every one of those reports is a dated, located, citable official record — the context behind this market's 2018 claim volume.
Biggest storm days (2018, final record)
| Date | ≥1″ reports | Max hail | Areas named in the record |
|---|---|---|---|
| October 23, 2018 | 5 | 1.25" | PINAL, MARICOPA |
| October 21, 2018 | 2 | 1.00" | MARICOPA |
| October 7, 2018 | 1 | 1.00" | MARICOPA |
| August 23, 2018 | 1 | 1.00" | MARICOPA |
| August 12, 2018 | 1 | 1.75" | MARICOPA |
“Thunderstorms with large hail developed during the afternoon hours over the northeast portions of the greater Phoenix metropolitan area on October 23rd, and they affected areas around the community of Scottsdale. According to photos and videos obtained by the general public, at 1530MST large hail fell about 7 miles north of north Scottsdale and near the intersection of North Pima Road and East Happy Valley Road. The ”
— NWS event narrative, October 23, 2018 (NCEI Storm Events)
When it fell
Aug 3 · Oct 8
Wind context: the record also holds 121 thunderstorm-wind events ≥50 kt (≈58 mph, the NWS severe criterion) in this radius for 2018 — relevant where the dispute is wind vs hail causation.
Working a Phoenix claim from 2018?
These are aggregates. A claim file needs the per-address record: every recorded event within 1, 3 and 10 miles of the property, distances, official narratives, and citations an adjuster can check line by line. That's the report — generated in seconds, hosted on HailEvidence (the neutral evidence surface), formatted as an insurance-appeal attachment.
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Provenance
Final counts: NCEI Storm Events Database, file vintage c20260527, hail events with recorded magnitude ≥1.00″ and point coordinates within 35 miles of the Phoenix anchor. NWS records are point and path observations. The absence of a nearby report does NOT prove that no hail fell at this address — it means no observation was logged nearby. A report of nearby hail documents the event; it does not by itself prove damage to a specific structure. Spotted an error? Email the address on our terms page and we correct against the source.