NOAA NWS / Event history

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

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

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Bulletin issued: 22 October 2026 at 19:11 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 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; Navajo, AZ
Certainty / urgency: Observed / Immediate
Message expiry (not hazard end): 22 October 2026 at 19:21 UTC
Forecast onset / end: 22 October 2026 at 19:11 UTC / 22 October 2026 at 19:15 UTC

Archived official description

The storm which prompted the warning east of Happy Jack has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, small hail and heavy rain are still possible with this thunderstorm. A Tornado Watch remains in effect until 800 PM MST Thursday for a portion of north central Arizona.

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 19:12 UTC
Version 2
Source status changed
Title
Before
Severe Thunderstorm Warning issued October 22 at 11:43AM MST until October 22 at 12:15PM MST by NWS Flagstaff AZ
After
Severe Thunderstorm Warning issued October 22 at 12:11PM MST until October 22 at 12:15PM MST by NWS Flagstaff AZ
Source updated
Before
22 October 2026 at 18:43 UTC
After
22 October 2026 at 19:11 UTC
Effective from
Before
22 October 2026 at 18:43 UTC
After
22 October 2026 at 19:11 UTC
Forecast onset
Before
22 October 2026 at 18:43 UTC
After
22 October 2026 at 19:11 UTC
Message expiry
Before
22 October 2026 at 19:15 UTC
After
22 October 2026 at 19:21 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... Navajo County in north central Arizona... * Until 1215 PM MST. * At 1143 AM MST, a severe thunderstorm was located 10 miles north of Tonto Estate, or 24 miles northeast of Payson, moving north at 50 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Chevelon Butte, Jacks Canyon, Sunset Pass, Bear Canyon Lake and Knoll Lake. This includes State Route 87 between mile markers 312 and 323. This includes the following recreation areas and campgrounds... Knoll Lake Campground and Bear Canyon Lake Recreation Area.
After
The storm which prompted the warning east of Happy Jack has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, small hail and heavy rain are still possible with this thunderstorm. A Tornado Watch remains in effect until 800 PM MST Thursday for a portion of north central Arizona.
Official instructions
Before
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.
After
Not supplied
External source link
Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.5df80fbd857c54bff9cc29659be88a209e7a4cca.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.e66a9e27d9bdfdf48ff56ec3aa1ba59576b063af.001.1
Bulletin issued: 22 October 2026 at 19:11 UTC
View saved version 2
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:5f5148f50467b40884431e60", "authorityId": "urn:oid:2.49.0.1.840.0.e66a9e27d9bdfdf48ff56ec3aa1ba59576b063af.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.5df80fbd857c54bff9cc29659be88a209e7a4cca.001.1", "sender": "w-nws.webmaster@noaa.gov" }, { "identifier": "urn:oid:2.49.0.1.840.0.d237175eb36fedbb681ec736ca5b4ce9379da6d4.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Severe Thunderstorm Warning issued October 22 at 12:11PM MST until October 22 at 12:15PM MST by NWS Flagstaff AZ", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-22T19:11:00.000Z", "issuedAt": "2026-10-22T19:11:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-22T19:11:00.000Z", "onsetAt": "2026-10-22T19:11:00.000Z", "expiresAt": "2026-10-22T19:21:00.000Z", "forecastEndAt": "2026-10-22T19:15:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Observed", "messageType": "Update", "status": "Source update", "place": "Coconino, AZ; Navajo, AZ", "coordinates": null, "issuer": "NWS Flagstaff AZ", "summary": "Severe Thunderstorm Warning · Coconino, AZ; Navajo, AZ. Severe; observed; urgency: immediate.", "description": "The storm which prompted the warning east of Happy Jack has weakened\nbelow severe limits, and no longer poses an immediate threat to life\nor property. Therefore, the warning will be allowed to expire.\nHowever, small hail and heavy rain are still possible with this\nthunderstorm.\n\nA Tornado Watch remains in effect until 800 PM MST Thursday for a\nportion of north central Arizona.", "instruction": "", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.e66a9e27d9bdfdf48ff56ec3aa1ba59576b063af.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 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 11:43AM 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 18:43 UTC

View saved version 1

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

{
  "id": "nws:ac20ec2b1f992003d2f726f7",
  "authorityId": "urn:oid:2.49.0.1.840.0.5df80fbd857c54bff9cc29659be88a209e7a4cca.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 11:43AM MST until October 22 at 12:15PM MST by NWS Flagstaff AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T18:43:00.000Z",
  "issuedAt": "2026-10-22T18:43:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T18:43:00.000Z",
  "onsetAt": "2026-10-22T18:43:00.000Z",
  "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; Navajo, AZ",
  "coordinates": null,
  "issuer": "NWS Flagstaff AZ",
  "summary": "Severe Thunderstorm Warning · Coconino, 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...\nCoconino County in north central Arizona...\nNavajo County in north central Arizona...\n\n* Until 1215 PM MST.\n\n* At 1143 AM MST, a severe thunderstorm was located 10 miles north of\nTonto Estate, or 24 miles northeast of Payson, moving north at 50\nmph.\n\nHAZARD...Half dollar size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Damage to vehicles is expected.\n\n* Locations impacted include...\nChevelon Butte, Jacks Canyon, Sunset Pass, Bear Canyon Lake and\nKnoll Lake.\n\nThis includes State Route 87 between mile markers 312 and 323.\n\nThis includes the following recreation areas and campgrounds...\nKnoll Lake Campground and Bear Canyon Lake Recreation Area.",
  "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:2.49.0.1.840.0.5df80fbd857c54bff9cc29659be88a209e7a4cca.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

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

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

Archived official description

What changed

Source status changed

First saved record