HailEvidence NWS storm records · per-address verification

HailEvidencehail history → Bison, OK

Bison, OK hail history

Every figure below is from the NOAA NCEI Storm Events Database — the official NWS record — counting events recorded within 10 miles of the Bison city centroid, 1950 to present.

148hail events since 1950
84≥ 1.00" (quarter) or larger
8.00"largest on record · 1971-04-26
2025-09-20most recent hail event

Hail by year — last 15 years

YearHail events ≤ 10 miLargest hail
2026 0
2025 1 1.00" (quarter)
2024 7 2.00" (hen egg)
2023 0
2022 1 1.00" (quarter)
2021 2 1.75" (golf ball)
2020 3 1.00" (quarter)
2019 1 0.75" (penny)
2018 1 1.75" (golf ball)
2017 2 1.75" (golf ball)
2016 0
2015 0
2014 0
2013 1 1.90" (golf ball)
2012 1 1.75" (golf ball)

Note: the current and prior year reflect the latest NCEI compile and grow as NWS finalizes reports; same-day activity appears on this site's storm-day pages before it reaches this table.

Wind and tornado record

Most recent recorded events

DateTypeMagnitudeDistance
2025-09-20 Hail 1.00" 3.8 mi
2025-09-20 Thunderstorm Wind 84 mph 6.8 mi
2025-09-20 Thunderstorm Wind 75 mph 5.6 mi
2025-08-19 Thunderstorm Wind 64 mph 8.5 mi
2025-08-18 Thunderstorm Wind 81 mph 7.5 mi
2025-07-12 Tornado EF0 9.5 mi
2025-06-29 Thunderstorm Wind 60 mph 5.8 mi
2025-06-29 Thunderstorm Wind 60 mph 9.7 mi
2025-06-07 Thunderstorm Wind 62 mph 9.5 mi
2024-11-18 Thunderstorm Wind 70 mph 6.7 mi

2025-09-20: “The location is approximate.”

2025-09-20: “Wind gust measured by a mobile mesonet platform.”

2025-09-20: “Relayed images show multiple power poles snapped along Wood Road. The location is approximate, and the event time is estimated from radar observations.”

Disputing a claim at a Bison address?

This page covers the city. A claim dispute needs the record around your address: every NWS-recorded event within 1, 3 and 10 miles, the disputed date highlighted, citations formatted for an insurance appeal.

Verify an address — $29
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.

source: NOAA NCEI Storm Events computed 2026-06-12