NOAA NWS / Event history

Severe Thunderstorm Warning issued October 22 at 8:39AM MST until October 22 at 8:45AM MST by NWS Flagstaff AZ

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

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Bulletin issued: 22 October 2026 at 15:39 UTC
First saved by us: 22 October 2026 at 15:27 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 · Navajo, AZ
Certainty / urgency: Observed / Immediate
Message expiry (not hazard end): 22 October 2026 at 15:49 UTC
Forecast onset / end: 22 October 2026 at 15:39 UTC / 22 October 2026 at 15:45 UTC

Archived official description

The storm which prompted the warning north of Heber-Overgaard has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. A Severe Thunderstorm Watch remains in effect until 1000 AM 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 15:42 UTC
Version 2
Source status changed
Title
Before
Severe Thunderstorm Warning issued October 22 at 8:26AM MST until October 22 at 8:45AM MST by NWS Flagstaff AZ
After
Severe Thunderstorm Warning issued October 22 at 8:39AM MST until October 22 at 8:45AM MST by NWS Flagstaff AZ
Source updated
Before
22 October 2026 at 15:26 UTC
After
22 October 2026 at 15:39 UTC
Effective from
Before
22 October 2026 at 15:26 UTC
After
22 October 2026 at 15:39 UTC
Forecast onset
Before
22 October 2026 at 15:26 UTC
After
22 October 2026 at 15:39 UTC
Message expiry
Before
22 October 2026 at 15:45 UTC
After
22 October 2026 at 15:49 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... Navajo County in north central Arizona... * Until 845 AM MST. * At 826 AM MST, a severe thunderstorm was located near Heber-Overgaard, moving northeast at 45 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Heber-Overgaard, Mogollon Airpark and Twin Lake. This includes the following highways... State Route 260 between mile markers 302 and 306...and near mile marker 310. State Route 377 between mile markers 0 and 17. State Route 277 between mile markers 306 and 317.
After
The storm which prompted the warning north of Heber-Overgaard has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. A Severe Thunderstorm Watch remains in effect until 1000 AM 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.~~
After
Not supplied
External source link
Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3742e94bc6f7c17a49b6e4e9ce02f7c525d4cbe0.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.58a3467c34c5d97de2be6a9e00b05f98f6d2d8ea.001.1
Bulletin issued: 22 October 2026 at 15:39 UTC
View saved version 2
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:f6b16d0d06ffd65296a80702", "authorityId": "urn:oid:2.49.0.1.840.0.58a3467c34c5d97de2be6a9e00b05f98f6d2d8ea.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.3742e94bc6f7c17a49b6e4e9ce02f7c525d4cbe0.001.1", "sender": "w-nws.webmaster@noaa.gov" }, { "identifier": "urn:oid:2.49.0.1.840.0.608feae6fa483066670701622e57be3be1539465.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Severe Thunderstorm Warning issued October 22 at 8:39AM MST until October 22 at 8:45AM MST by NWS Flagstaff AZ", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-22T15:39:00.000Z", "issuedAt": "2026-10-22T15:39:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-22T15:39:00.000Z", "onsetAt": "2026-10-22T15:39:00.000Z", "expiresAt": "2026-10-22T15:49:00.000Z", "forecastEndAt": "2026-10-22T15:45:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Observed", "messageType": "Update", "status": "Source update", "place": "Navajo, AZ", "coordinates": null, "issuer": "NWS Flagstaff AZ", "summary": "Severe Thunderstorm Warning · Navajo, AZ. Severe; observed; urgency: immediate.", "description": "The storm which prompted the warning north of Heber-Overgaard has\nweakened below severe limits, and no longer poses an immediate threat\nto life or property. Therefore, the warning will be allowed to\nexpire.\n\nA Severe Thunderstorm Watch remains in effect until 1000 AM MST\nThursday for a portion of north central Arizona.", "instruction": "", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.58a3467c34c5d97de2be6a9e00b05f98f6d2d8ea.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 15:27 UTC

Saved by us

22 October 2026 at 15:27 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 22 at 8:26AM MST until October 22 at 8:45AM MST by NWS Flagstaff AZ. We have no earlier saved version to compare.

Bulletin issued: 22 October 2026 at 15:26 UTC

View saved version 1

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

{
  "id": "nws:0335afe5dec57ae2dc8e65de",
  "authorityId": "urn:oid:2.49.0.1.840.0.3742e94bc6f7c17a49b6e4e9ce02f7c525d4cbe0.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 8:26AM MST until October 22 at 8:45AM MST by NWS Flagstaff AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T15:26:00.000Z",
  "issuedAt": "2026-10-22T15:26:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T15:26:00.000Z",
  "onsetAt": "2026-10-22T15:26:00.000Z",
  "expiresAt": "2026-10-22T15:45:00.000Z",
  "forecastEndAt": "2026-10-22T15:45:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Navajo, AZ",
  "coordinates": null,
  "issuer": "NWS Flagstaff AZ",
  "summary": "Severe Thunderstorm Warning · 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...\n\n* Until 845 AM MST.\n\n* At 826 AM MST, a severe thunderstorm was located near\nHeber-Overgaard, moving northeast at 45 mph.\n\nHAZARD...Quarter size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Damage to vehicles is expected.\n\n* Locations impacted include...\nHeber-Overgaard, Mogollon Airpark and Twin Lake.\n\nThis includes the following highways...\nState Route 260 between mile markers 302 and 306...and near mile\nmarker 310. State Route 377 between mile markers 0 and 17. State\nRoute 277 between mile markers 306 and 317.",
  "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:2.49.0.1.840.0.3742e94bc6f7c17a49b6e4e9ce02f7c525d4cbe0.001.1",
  "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 8:39AM MST until October 22 at 8:45AM MST by NWS Flagstaff AZ

Archived official description

What changed

Source status changed

First saved record