NOAA NWS / Event history

Severe Thunderstorm Warning issued October 21 at 3:51PM MST until October 21 at 4:15PM MST by NWS Flagstaff AZ

Severe Thunderstorm Warning · Coconino, AZ. Severe; observed; urgency: immediate.

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Bulletin issued: 21 October 2026 at 22:51 UTC
First saved by us: 21 October 2026 at 22:55 UTC
Last included in a daily record: 21 October 2026
The linked daily edition preserves what we captured that UTC day; this event page is not a live warning.
Source classification: Severe · Source alert

A recent feed check does not mean a new observation. This page preserves source records; it does not establish current safety or warning status.

Issuer / area: NWS Flagstaff AZ · Coconino, AZ
Certainty / urgency: Observed / Immediate
Message expiry (not hazard end): 21 October 2026 at 23:15 UTC
Forecast onset / end: 21 October 2026 at 22:51 UTC / 21 October 2026 at 23:15 UTC

Archived official description

SVRFGZ The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Coconino County in north central Arizona... * Until 415 PM MST. * At 351 PM MST, a severe thunderstorm was located 10 miles northwest of Red Lake, or 32 miles east of Seligman, moving northeast at 50 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Valle, Valle Airport, Howard Mesa and Howard Hill. This includes the following highways... Highway 180 between mile markers 256 and 265. State Route 64 between mile markers 197 and 219.

Instructions in this archived message

Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Report severe weather to your nearest law enforcement agency or the National Weather Service office in Flagstaff AZ. A Tornado Watch remains in effect until 600 PM MST Wednesday for a portion of north central Arizona.

The saved record

What changed

0 updates · 1 first record

Each update compares two versions we saved. This may not include every update from the source. A missing report does not mean an event has ended.

First saved record · 21 October 2026 at 22:55 UTC

Saved by us

21 October 2026 at 22:55 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 21 at 3:51PM MST until October 21 at 4:15PM MST by NWS Flagstaff AZ. We have no earlier saved version to compare.

Bulletin issued: 21 October 2026 at 22:51 UTC

View saved version 1

Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.

{
  "id": "nws:1d7d4345e2a858c5b344d9e8",
  "authorityId": "urn:oid:2.49.0.1.840.0.4c9bbbf6fdbf3e748ec523ab8dbc15bcf0cebddb.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 21 at 3:51PM MST until October 21 at 4:15PM MST by NWS Flagstaff AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-21T22:51:00.000Z",
  "issuedAt": "2026-10-21T22:51:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-21T22:51:00.000Z",
  "onsetAt": "2026-10-21T22:51:00.000Z",
  "expiresAt": "2026-10-21T23:15:00.000Z",
  "forecastEndAt": "2026-10-21T23:15:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Coconino, AZ",
  "coordinates": null,
  "issuer": "NWS Flagstaff AZ",
  "summary": "Severe Thunderstorm Warning · Coconino, AZ. Severe; observed; urgency: immediate.",
  "description": "SVRFGZ\n\nThe National Weather Service in Flagstaff has issued a\n\n* Severe Thunderstorm Warning for...\nCoconino County in north central Arizona...\n\n* Until 415 PM MST.\n\n* At 351 PM MST, a severe thunderstorm was located 10 miles northwest\nof Red Lake, or 32 miles east of Seligman, moving northeast at 50\nmph.\n\nHAZARD...60 mph wind gusts and quarter size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Hail damage to vehicles is expected. Expect wind damage to\nroofs, siding, and trees.\n\n* Locations impacted include...\nValle, Valle Airport, Howard Mesa and Howard Hill.\n\nThis includes the following highways...\nHighway 180 between mile markers 256 and 265. State Route 64 between\nmile markers 197 and 219.",
  "instruction": "Seek shelter inside a well-built structure and stay away from\nwindows. This storm is capable of producing damaging winds and large\nhail.\n\nReport severe weather to your nearest law enforcement agency or the\nNational Weather Service office in Flagstaff AZ.\n\nA Tornado Watch remains in effect until 600 PM MST Wednesday for a\nportion of north central Arizona.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4c9bbbf6fdbf3e748ec523ab8dbc15bcf0cebddb.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

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