NOAA NWS / Event history

Severe Thunderstorm Warning issued October 21 at 8:04PM MST until October 21 at 8:30PM MST by NWS Flagstaff AZ

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

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Bulletin issued: 22 October 2026 at 03:04 UTC
First saved by us: 22 October 2026 at 03:10 UTC
Last included in a daily record: 22 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 · Apache, AZ; Navajo, AZ
Certainty / urgency: Observed / Immediate
Message expiry (not hazard end): 22 October 2026 at 03:30 UTC
Forecast onset / end: 22 October 2026 at 03:04 UTC / 22 October 2026 at 03:30 UTC

Archived official description

SVRFGZ The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Navajo County in north central Arizona... Apache County in northeastern Arizona... * Until 830 PM MST /930 PM MDT/. * At 804 PM MST /904 PM MDT/, a severe thunderstorm was located over Holbrook, moving northeast at 40 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Holbrook, Sun Valley, Lisitzky Subdivision, Rosedale Heights, Clearview Heights, Holbrook Municipal Airport and Petrified Forest National Wilderness Area. This includes the following highways... Interstate 40 between mile markers 278 and 304. Business Interstate 40 between mile markers 286 and 289. State Route 377 between mile markers 30 and 33. State Route 77 between mile markers 384 and 408. Highway 180 between mile markers 308 and 313. This includes the following recreation areas and campgrounds... Hunt Park.

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.

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 · 22 October 2026 at 03:10 UTC

Saved by us

22 October 2026 at 03:10 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 21 at 8:04PM MST until October 21 at 8:30PM MST by NWS Flagstaff AZ. We have no earlier saved version to compare.

Bulletin issued: 22 October 2026 at 03:04 UTC

View saved version 1

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

{
  "id": "nws:b8e00ede2dcb8988c918331e",
  "authorityId": "urn:oid:2.49.0.1.840.0.d2bf35fb5bbb9536583471cb8cfe39221b835784.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 21 at 8:04PM MST until October 21 at 8:30PM MST by NWS Flagstaff AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T03:04:00.000Z",
  "issuedAt": "2026-10-22T03:04:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T03:04:00.000Z",
  "onsetAt": "2026-10-22T03:04:00.000Z",
  "expiresAt": "2026-10-22T03:30:00.000Z",
  "forecastEndAt": "2026-10-22T03:30:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Apache, AZ; Navajo, AZ",
  "coordinates": null,
  "issuer": "NWS Flagstaff AZ",
  "summary": "Severe Thunderstorm Warning · Apache, AZ; Navajo, AZ. Severe; observed; urgency: immediate.",
  "description": "SVRFGZ\n\nThe National Weather Service in Flagstaff has issued a\n\n* Severe Thunderstorm Warning for...\nNavajo County in north central Arizona...\nApache County in northeastern Arizona...\n\n* Until 830 PM MST /930 PM MDT/.\n\n* At 804 PM MST /904 PM MDT/, a severe thunderstorm was located over\nHolbrook, moving northeast at 40 mph.\n\nHAZARD...60 mph wind gusts and half dollar 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...\nHolbrook, Sun Valley, Lisitzky Subdivision, Rosedale Heights,\nClearview Heights, Holbrook Municipal Airport and Petrified Forest\nNational Wilderness Area.\n\nThis includes the following highways...\nInterstate 40 between mile markers 278 and 304. Business Interstate\n40 between mile markers 286 and 289. State Route 377 between mile\nmarkers 30 and 33. State Route 77 between mile markers 384 and 408.\nHighway 180 between mile markers 308 and 313.\n\nThis includes the following recreation areas and campgrounds...\nHunt Park.",
  "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.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d2bf35fb5bbb9536583471cb8cfe39221b835784.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

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