First published · Last updated
Thunderstorms and lightningSevere Thunderstorm Warning — NWS Flagstaff AZ
Original source title
Severe Thunderstorm Warning issued October 21 at 1:56AM MST until October 21 at 2:15AM MST by NWS Flagstaff AZ
Reported by U.S. National Weather Service Alerts NWS
An observed severe thunderstorm in Coconino, Arizona, was reported with 60 mph wind gusts and quarter-size hail. The warning instructed people to shelter inside a well-built structure and stay away from windows; it was published at 8:56 UTC on October 21, 2026.
At a glance
- Affected location: Coconino, Arizona
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Why it matters
The warning called for immediate shelter from a storm capable of producing damaging winds and large hail.
Location
Highlighted marker: this event.
Generated scores
Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.
- Confidence
- 8/10
- Geographic reach
- 2/10
- Global importance
- 2/10
- Impact magnitude
- 4/10
- Urgency
- 9/10
Primary official sources
- U.S. National Weather Service Alerts NWSSevere Thunderstorm Warning issued October 21 at 1:56AM MST until October 21 at 2:15AM MST by NWS Flagstaff AZ
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