NOAA NWS / Event history

Severe Thunderstorm Warning issued October 22 at 11:44AM MST until October 22 at 12:15PM MST by NWS Flagstaff AZ

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

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Bulletin issued: 22 October 2026 at 18:44 UTC
First saved by us: 22 October 2026 at 18:57 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 · Coconino, AZ
Certainty / urgency: Observed / Immediate
Message expiry (not hazard end): 22 October 2026 at 19:15 UTC
Forecast onset / end: 22 October 2026 at 18:44 UTC / 22 October 2026 at 19:15 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 1215 PM MST. * At 1144 AM MST, a severe thunderstorm was located near Mormon Lake, or 18 miles east of Sedona, moving north at 45 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Munds Park, Mountainaire, Mormon Lake, Lakeview, Northern Arizona University, Pine Canyon, Flagstaff Pulliam Airport, Walnut Canyon National Monument, Fisher Point, Mormon Mountain, Upper Lake Mary, Perry Lake, Ashurst Lake, Marshall Lake and Lower Lake Mary. This includes the following highways... Interstate 40 between mile markers 194 and 197...and between mile markers 214 and 215. Interstate 17 between mile markers 314 and 316...and between mile markers 338 and 339. This includes the following recreation areas and campgrounds... Dairy Springs Campground, Double Springs Campground, Canyon Vista Campground, Ashurst Lake Campgrounds, Pine Grove Campground, Canyon Vista Campground, Forked Pine Campground, Dairy Springs Campground, Double Springs Campground, Lake View Campground, Lakeview Campground and Fort Tuthill County Park.

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 800 PM MST Thursday 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 · 22 October 2026 at 18:57 UTC

Saved by us

22 October 2026 at 18:57 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 22 at 11:44AM MST until October 22 at 12:15PM MST by NWS Flagstaff AZ. We have no earlier saved version to compare.

Bulletin issued: 22 October 2026 at 18:44 UTC

View saved version 1

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

{
  "id": "nws:7beae6ab91940a1bbde69adb",
  "authorityId": "urn:oid:2.49.0.1.840.0.93db46922363f5943263da67526170f8eff310a2.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 11:44AM MST until October 22 at 12:15PM MST by NWS Flagstaff AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T18:44:00.000Z",
  "issuedAt": "2026-10-22T18:44:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T18:44:00.000Z",
  "onsetAt": "2026-10-22T18:44:00.000Z",
  "expiresAt": "2026-10-22T19:15:00.000Z",
  "forecastEndAt": "2026-10-22T19:15:00.000Z",
  "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 1215 PM MST.\n\n* At 1144 AM MST, a severe thunderstorm was located near Mormon Lake,\nor 18 miles east of Sedona, moving north at 45 mph.\n\nHAZARD...Half dollar size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Damage to vehicles is expected.\n\n* Locations impacted include...\nMunds Park, Mountainaire, Mormon Lake, Lakeview, Northern Arizona\nUniversity, Pine Canyon, Flagstaff Pulliam Airport, Walnut Canyon\nNational Monument, Fisher Point, Mormon Mountain, Upper Lake Mary,\nPerry Lake, Ashurst Lake, Marshall Lake and Lower Lake Mary.\n\nThis includes the following highways...\nInterstate 40 between mile markers 194 and 197...and between mile\nmarkers 214 and 215. Interstate 17 between mile markers 314 and\n316...and between mile markers 338 and 339.\n\nThis includes the following recreation areas and campgrounds...\nDairy Springs Campground, Double Springs Campground, Canyon Vista\nCampground, Ashurst Lake Campgrounds, Pine Grove Campground, Canyon\nVista Campground, Forked Pine Campground, Dairy Springs Campground,\nDouble Springs Campground, Lake View Campground, Lakeview Campground\nand Fort Tuthill County Park.",
  "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 800 PM MST Thursday for a\nportion of north central Arizona.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.93db46922363f5943263da67526170f8eff310a2.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

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