NOAA NWS / Event history

Severe Thunderstorm Warning issued October 21 at 12:05PM MST until October 21 at 12:30PM MST by NWS Flagstaff AZ

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

See the first saved record ↓Detailed event record ↗

Bulletin issued: 21 October 2026 at 19:05 UTC
First saved by us: 21 October 2026 at 19:10 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 19:30 UTC
Forecast onset / end: 21 October 2026 at 19:05 UTC / 21 October 2026 at 19:30 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 1230 PM MST. * At 1205 PM MST, a severe thunderstorm was located 5 miles east of Kaibab Estates West, or 26 miles east of Seligman, moving north at 45 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Red Lake and Howard Mesa. This includes the following highways... Interstate 40 between mile markers 151 and 154. State Route 64 between mile markers 198 and 203.

Instructions in this archived message

Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail. 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 19:10 UTC

Saved by us

21 October 2026 at 19:10 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 21 at 12:05PM MST until October 21 at 12:30PM MST by NWS Flagstaff AZ. We have no earlier saved version to compare.

Bulletin issued: 21 October 2026 at 19:05 UTC

View saved version 1

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

{
  "id": "nws:31b4e2c90847b06b0674639c",
  "authorityId": "urn:oid:2.49.0.1.840.0.4a2cfb66cd0058e764ba98682aa6e4919b656bc9.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 21 at 12:05PM MST until October 21 at 12:30PM MST by NWS Flagstaff AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-21T19:05:00.000Z",
  "issuedAt": "2026-10-21T19:05:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-21T19:05:00.000Z",
  "onsetAt": "2026-10-21T19:05:00.000Z",
  "expiresAt": "2026-10-21T19:30:00.000Z",
  "forecastEndAt": "2026-10-21T19:30:00.000Z",
  "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 1230 PM MST.\n\n* At 1205 PM MST, a severe thunderstorm was located 5 miles east of\nKaibab Estates West, or 26 miles east of Seligman, moving north at\n45 mph.\n\nHAZARD...Quarter size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Damage to vehicles is expected.\n\n* Locations impacted include...\nRed Lake and Howard Mesa.\n\nThis includes the following highways...\nInterstate 40 between mile markers 151 and 154. State Route 64\nbetween mile markers 198 and 203.",
  "instruction": "Seek shelter inside a well-built structure and stay away from\nwindows. This storm is capable of producing large hail.\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:2.49.0.1.840.0.4a2cfb66cd0058e764ba98682aa6e4919b656bc9.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

The external page may have changed since this version was saved.