NOAA NWS / Event history

Severe Thunderstorm Warning issued October 21 at 4:09PM MST until October 21 at 4:30PM MST by NWS Flagstaff AZ

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

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Bulletin issued: 21 October 2026 at 23:09 UTC
First saved by us: 21 October 2026 at 23:10 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 update

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 23:30 UTC
Forecast onset / end: 21 October 2026 at 23:09 UTC / 21 October 2026 at 23:30 UTC

Archived official description

At 409 PM MST /509 PM MDT/, a severe thunderstorm was located 6 miles south of Moenkopi, or 8 miles southeast of Tuba City, moving north at 65 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... Tuba City, Moenkopi, Coal Mine Mesa, Willow Springs, Moenave, Rare Metals and Tuba City Airport. This includes the following highways... Highway 160 between mile markers 312 and 331. U.S. Highway 89 between mile markers 473 and 490. State Route 264 between mile markers 322 and 340.

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. Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. 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 /700 PM MDT/ 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 23:10 UTC

Saved by us

21 October 2026 at 23:10 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 21 at 4:09PM MST until October 21 at 4:30PM MST by NWS Flagstaff AZ. We have no earlier saved version to compare.

Bulletin issued: 21 October 2026 at 23:09 UTC

View saved version 1

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

{
  "id": "nws:5642a312a0f2b1e09fba7203",
  "authorityId": "urn:oid:2.49.0.1.840.0.a8cdcdd4f845a939b11e805164f744cf1e1b15e9.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
    {
      "identifier": "urn:oid:2.49.0.1.840.0.9da68dbede2fa15029e7812b3a1b5cedc6306bc8.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 21 at 4:09PM MST until October 21 at 4:30PM MST by NWS Flagstaff AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-21T23:09:00.000Z",
  "issuedAt": "2026-10-21T23:09:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-21T23:09:00.000Z",
  "onsetAt": "2026-10-21T23:09:00.000Z",
  "expiresAt": "2026-10-21T23:30:00.000Z",
  "forecastEndAt": "2026-10-21T23:30:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Update",
  "status": "Source update",
  "place": "Coconino, AZ",
  "coordinates": null,
  "issuer": "NWS Flagstaff AZ",
  "summary": "Severe Thunderstorm Warning · Coconino, AZ. Severe; observed; urgency: immediate.",
  "description": "At 409 PM MST /509 PM MDT/, a severe thunderstorm was located 6 miles\nsouth of Moenkopi, or 8 miles southeast of Tuba City, moving north at\n65 mph.\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\nLocations impacted include...\nTuba City, Moenkopi, Coal Mine Mesa, Willow Springs, Moenave, Rare\nMetals and Tuba City Airport.\n\nThis includes the following highways...\nHighway 160 between mile markers 312 and 331. U.S. Highway 89 between\nmile markers 473 and 490. State Route 264 between mile markers 322\nand 340.",
  "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\nTornadoes can develop quickly from severe thunderstorms. Seek shelter\nimmediately in an interior room on the lowest floor of a well-built\nstructure.\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 /700 PM MDT/\nWednesday for a portion of north central Arizona.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.a8cdcdd4f845a939b11e805164f744cf1e1b15e9.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

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