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Severe Thunderstorm Warning issued October 22 at 1:11PM MST until October 22 at 1:15PM MST by NWS Flagstaff AZ

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

See what changed ↓Detailed event record ↗
Bulletin issued
22 October 2026 at 20:11 UTC
First saved by us
22 October 2026 at 19:57 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 · Apache, AZ; Navajo, AZ
Certainty / urgency
Observed / Immediate
Message expiry (not hazard end)
22 October 2026 at 20:21 UTC
Forecast onset / end
22 October 2026 at 20:11 UTC / 22 October 2026 at 20:15 UTC

Archived official description

The storm north of round rock which prompted the warning 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 gusty winds are still possible with this thunderstorm. A Tornado Watch remains in effect until 900 PM MDT Thursday for portions of north central and northeast 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

  1. Saved by us

    Version 2

    8 recorded details changed

    Title
    Before

    Severe Thunderstorm Warning issued October 22 at 12:54PM MST until October 22 at 1:15PM MST by NWS Flagstaff AZ

    After

    Severe Thunderstorm Warning issued October 22 at 1:11PM MST until October 22 at 1:15PM MST by NWS Flagstaff AZ

    Source updated
    Before

    22 October 2026 at 19:54 UTC

    After

    22 October 2026 at 20:11 UTC

    Effective from
    Before

    22 October 2026 at 19:54 UTC

    After

    22 October 2026 at 20:11 UTC

    Forecast onset
    Before

    22 October 2026 at 19:54 UTC

    After

    22 October 2026 at 20:11 UTC

    Message expiry
    Before

    22 October 2026 at 20:15 UTC

    After

    22 October 2026 at 20:21 UTC

    Official description
    Before

    At 154 PM MDT, a severe thunderstorm was located over Rough Rock, or 25 miles northwest of Chinle, moving northeast at 50 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Chilchinbeto, Rough Rock and Black Mesa. This includes Highway 191 between mile markers 485 and 487.

    After

    The storm north of round rock which prompted the warning 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 gusty winds are still possible with this thunderstorm. A Tornado Watch remains in effect until 900 PM MDT Thursday for portions of north central and northeast 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 900 PM MDT Thursday for portions of north central and northeast Arizona.

    After

    Not supplied

    External source link
    Before

    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.45cbe78ad91fca123ec0a7e75bca698228dd3108.001.1

    After

    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1b8507048765af1ae33a8306b27b1f3af7bcc38c.001.1

    Bulletin issued: 22 October 2026 at 20:11 UTC

    View saved version 2

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

    {
  "id": "nws:35a2a27c759e594ff8394c3d",
  "authorityId": "urn:oid:2.49.0.1.840.0.1b8507048765af1ae33a8306b27b1f3af7bcc38c.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
    {
      "identifier": "urn:oid:2.49.0.1.840.0.c70ef1f14d51c2ee8ad586439b331bdd998b104e.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    },
    {
      "identifier": "urn:oid:2.49.0.1.840.0.45cbe78ad91fca123ec0a7e75bca698228dd3108.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 1:11PM MST until October 22 at 1:15PM MST by NWS Flagstaff AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T20:11:00.000Z",
  "issuedAt": "2026-10-22T20:11:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T20:11:00.000Z",
  "onsetAt": "2026-10-22T20:11:00.000Z",
  "expiresAt": "2026-10-22T20:21:00.000Z",
  "forecastEndAt": "2026-10-22T20:15:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Update",
  "status": "Source update",
  "place": "Apache, AZ; Navajo, AZ",
  "coordinates": null,
  "issuer": "NWS Flagstaff AZ",
  "summary": "Severe Thunderstorm Warning · Apache, AZ; Navajo, AZ. Severe; observed; urgency: immediate.",
  "description": "The storm north of round rock which prompted the warning 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 gusty winds are still possible with this\nthunderstorm.\n\nA Tornado Watch remains in effect until 900 PM MDT Thursday for\nportions of north central and northeast Arizona.",
  "instruction": "",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.1b8507048765af1ae33a8306b27b1f3af7bcc38c.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 19:57 UTC

  1. Saved by us

    Starting point

    First saved record

    Our first saved version of Severe Thunderstorm Warning issued October 22 at 12:54PM MST until October 22 at 1:15PM MST by NWS Flagstaff AZ. We have no earlier saved version to compare.

    Bulletin issued: 22 October 2026 at 19:54 UTC

    View saved version 1

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

    {
  "id": "nws:901b92ac181f4d2db232baab",
  "authorityId": "urn:oid:2.49.0.1.840.0.45cbe78ad91fca123ec0a7e75bca698228dd3108.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
    {
      "identifier": "urn:oid:2.49.0.1.840.0.c70ef1f14d51c2ee8ad586439b331bdd998b104e.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 12:54PM MST until October 22 at 1:15PM MST by NWS Flagstaff AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T19:54:00.000Z",
  "issuedAt": "2026-10-22T19:54:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T19:54:00.000Z",
  "onsetAt": "2026-10-22T19:54:00.000Z",
  "expiresAt": "2026-10-22T20:15:00.000Z",
  "forecastEndAt": "2026-10-22T20:15:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Update",
  "status": "Source update",
  "place": "Apache, AZ; Navajo, AZ",
  "coordinates": null,
  "issuer": "NWS Flagstaff AZ",
  "summary": "Severe Thunderstorm Warning · Apache, AZ; Navajo, AZ. Severe; observed; urgency: immediate.",
  "description": "At 154 PM MDT, a severe thunderstorm was located over Rough Rock, or\n25 miles northwest of Chinle, moving northeast at 50 mph.\n\nHAZARD...Half dollar size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Damage to vehicles is expected.\n\nLocations impacted include...\nChilchinbeto, Rough Rock and Black Mesa.\n\nThis includes Highway 191 between mile markers 485 and 487.",
  "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 900 PM MDT Thursday for\nportions of north central and northeast Arizona.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.45cbe78ad91fca123ec0a7e75bca698228dd3108.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}
    Visit the external source ↗

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