NOAA NWS / Event history

Severe Thunderstorm Warning issued October 21 at 10:07PM MST until October 21 at 10:30PM MST by NWS Flagstaff AZ

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

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Bulletin issued: 22 October 2026 at 05:07 UTC
First saved by us: 22 October 2026 at 04:55 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 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): 22 October 2026 at 05:30 UTC
Forecast onset / end: 22 October 2026 at 05:07 UTC / 22 October 2026 at 05:30 UTC

Archived official description

At 1007 PM MST /1107 PM MDT/, a severe thunderstorm was located 9 miles east of Wupatki National Monument, or 32 miles northeast of Flagstaff, moving northeast at 35 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Standing Rocks, Tiis Holoni, Black Falls Crossing and Black Falls.

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.

The saved record

What changed

1 update · 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.

Showing 1 change

Saved by us
22 October 2026 at 05:10 UTC
Version 2
Source status changed
Title
Before
Severe Thunderstorm Warning issued October 21 at 9:54PM MST until October 21 at 10:30PM MST by NWS Flagstaff AZ
After
Severe Thunderstorm Warning issued October 21 at 10:07PM MST until October 21 at 10:30PM MST by NWS Flagstaff AZ
Source updated
Before
22 October 2026 at 04:54 UTC
After
22 October 2026 at 05:07 UTC
Effective from
Before
22 October 2026 at 04:54 UTC
After
22 October 2026 at 05:07 UTC
Forecast onset
Before
22 October 2026 at 04:54 UTC
After
22 October 2026 at 05:07 UTC
Message type
Before
Alert
After
Update
Source status
Before
Source alert
After
Source update
Official description
Before
SVRFGZ The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Coconino County in north central Arizona... * Until 1030 PM MST /1130 PM MDT/. * At 954 PM MST /1054 PM MDT/, a severe thunderstorm was located 8 miles northeast of Painted Desert Vista, or 25 miles northeast of Flagstaff, moving northeast at 30 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Wupatki National Monument, Standing Rocks, Tiis Holoni, Grand Falls, Black Falls Crossing and Black Falls.
After
At 1007 PM MST /1107 PM MDT/, a severe thunderstorm was located 9 miles east of Wupatki National Monument, or 32 miles northeast of Flagstaff, moving northeast at 35 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Standing Rocks, Tiis Holoni, Black Falls Crossing and Black Falls.
External source link
Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d451144ba49457a58568570984088f735dea8265.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7257b9887ad0902b9437ac94c2a8167b83fc57da.001.1
Bulletin issued: 22 October 2026 at 05:07 UTC
View saved version 2
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:4940e12855df6a647d790647", "authorityId": "urn:oid:2.49.0.1.840.0.7257b9887ad0902b9437ac94c2a8167b83fc57da.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.d451144ba49457a58568570984088f735dea8265.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Severe Thunderstorm Warning issued October 21 at 10:07PM MST until October 21 at 10:30PM MST by NWS Flagstaff AZ", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-22T05:07:00.000Z", "issuedAt": "2026-10-22T05:07:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-22T05:07:00.000Z", "onsetAt": "2026-10-22T05:07:00.000Z", "expiresAt": "2026-10-22T05:30:00.000Z", "forecastEndAt": "2026-10-22T05:30:00.000Z", "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 1007 PM MST /1107 PM MDT/, a severe thunderstorm was located 9\nmiles east of Wupatki National Monument, or 32 miles northeast of\nFlagstaff, moving northeast at 35 mph.\n\nHAZARD...Quarter size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Damage to vehicles is expected.\n\nLocations impacted include...\nStanding Rocks, Tiis Holoni, Black Falls Crossing and Black Falls.", "instruction": "Seek shelter inside a well-built structure and stay away from\nwindows. This storm is capable of producing large hail.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.7257b9887ad0902b9437ac94c2a8167b83fc57da.001.1", "source": "nws", "sourceName": "NOAA NWS" }
Visit the external source ↗
The external page may have changed since this version was saved.

First saved record · 22 October 2026 at 04:55 UTC

Saved by us

22 October 2026 at 04:55 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 21 at 9:54PM MST until October 21 at 10:30PM MST by NWS Flagstaff AZ. We have no earlier saved version to compare.

Bulletin issued: 22 October 2026 at 04:54 UTC

View saved version 1

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

{
  "id": "nws:14bbea926d7ec3f6ffba6c2e",
  "authorityId": "urn:oid:2.49.0.1.840.0.d451144ba49457a58568570984088f735dea8265.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 21 at 9:54PM MST until October 21 at 10:30PM MST by NWS Flagstaff AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T04:54:00.000Z",
  "issuedAt": "2026-10-22T04:54:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T04:54:00.000Z",
  "onsetAt": "2026-10-22T04:54:00.000Z",
  "expiresAt": "2026-10-22T05:30:00.000Z",
  "forecastEndAt": "2026-10-22T05:30:00.000Z",
  "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 1030 PM MST /1130 PM MDT/.\n\n* At 954 PM MST /1054 PM MDT/, a severe thunderstorm was located 8\nmiles northeast of Painted Desert Vista, or 25 miles northeast of\nFlagstaff, moving northeast at 30 mph.\n\nHAZARD...Quarter size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Damage to vehicles is expected.\n\n* Locations impacted include...\nWupatki National Monument, Standing Rocks, Tiis Holoni, Grand\nFalls, Black Falls Crossing and Black Falls.",
  "instruction": "Seek shelter inside a well-built structure and stay away from\nwindows. This storm is capable of producing large hail.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d451144ba49457a58568570984088f735dea8265.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

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