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Severe Thunderstorm Warning issued October 22 at 4:38PM MST until October 22 at 4:45PM MST by NWS Tucson AZ

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

See what changed ↓Detailed event record ↗
Bulletin issued
22 October 2026 at 23:38 UTC
First saved by us
22 October 2026 at 23:12 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 Tucson AZ · Graham, AZ; Pinal, AZ
Certainty / urgency
Observed / Immediate
Message expiry (not hazard end)
22 October 2026 at 23:48 UTC
Forecast onset / end
22 October 2026 at 23:38 UTC / 22 October 2026 at 23:45 UTC

Archived official description

The storm 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. A Tornado Watch remains in effect until 800 PM MST Thursday for a portion of Southeast 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 4:07PM MST until October 22 at 4:45PM MST by NWS Tucson AZ

    After

    Severe Thunderstorm Warning issued October 22 at 4:38PM MST until October 22 at 4:45PM MST by NWS Tucson AZ

    Source updated
    Before

    22 October 2026 at 23:07 UTC

    After

    22 October 2026 at 23:38 UTC

    Effective from
    Before

    22 October 2026 at 23:07 UTC

    After

    22 October 2026 at 23:38 UTC

    Forecast onset
    Before

    22 October 2026 at 23:07 UTC

    After

    22 October 2026 at 23:38 UTC

    Message expiry
    Before

    22 October 2026 at 23:45 UTC

    After

    22 October 2026 at 23:48 UTC

    Official description
    Before

    At 407 PM MST, a severe thunderstorm was located 7 miles northeast of Aravaipa Canyon Wilderness, moving northeast at 50 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Aravaipa Canyon Wilderness, Bylas, Calva and San Carlos Reservoir. This includes Route 70 between mile markers 276 and 300.

    After

    The storm 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. A Tornado Watch remains in effect until 800 PM MST Thursday for a portion of Southeast Arizona.

    Official instructions
    Before

    Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail and damaging winds. A Tornado Watch remains in effect until 800 PM MST Thursday for a portion of Southeast Arizona.

    After

    Not supplied

    External source link
    Before

    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d182967e8970f704e7093fc7781a2e9adfb01455.001.1

    After

    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fd4ee6066063419a901aae1236f5490bb0adc79d.001.1

    Bulletin issued: 22 October 2026 at 23:38 UTC

    View saved version 2

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

    {
  "id": "nws:9c1105e025fbe53fe00c38fb",
  "authorityId": "urn:oid:2.49.0.1.840.0.fd4ee6066063419a901aae1236f5490bb0adc79d.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
    {
      "identifier": "urn:oid:2.49.0.1.840.0.396a2675373bc52483fa5fc5984f3dba6ba6386e.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    },
    {
      "identifier": "urn:oid:2.49.0.1.840.0.d182967e8970f704e7093fc7781a2e9adfb01455.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 4:38PM MST until October 22 at 4:45PM MST by NWS Tucson AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T23:38:00.000Z",
  "issuedAt": "2026-10-22T23:38:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T23:38:00.000Z",
  "onsetAt": "2026-10-22T23:38:00.000Z",
  "expiresAt": "2026-10-22T23:48:00.000Z",
  "forecastEndAt": "2026-10-22T23:45:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Update",
  "status": "Source update",
  "place": "Graham, AZ; Pinal, AZ",
  "coordinates": null,
  "issuer": "NWS Tucson AZ",
  "summary": "Severe Thunderstorm Warning · Graham, AZ; Pinal, AZ. Severe; observed; urgency: immediate.",
  "description": "The storm which prompted the warning has weakened below severe\nlimits, and no longer poses an immediate threat to life or property.\nTherefore, the warning will be allowed to expire.\n\nA Tornado Watch remains in effect until 800 PM MST Thursday for a\nportion of Southeast Arizona.",
  "instruction": "",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fd4ee6066063419a901aae1236f5490bb0adc79d.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 23:12 UTC

  1. Saved by us

    Starting point

    First saved record

    Our first saved version of Severe Thunderstorm Warning issued October 22 at 4:07PM MST until October 22 at 4:45PM MST by NWS Tucson AZ. We have no earlier saved version to compare.

    Bulletin issued: 22 October 2026 at 23:07 UTC

    View saved version 1

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

    {
  "id": "nws:e104c4ab94c217caac090d49",
  "authorityId": "urn:oid:2.49.0.1.840.0.d182967e8970f704e7093fc7781a2e9adfb01455.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
    {
      "identifier": "urn:oid:2.49.0.1.840.0.396a2675373bc52483fa5fc5984f3dba6ba6386e.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 4:07PM MST until October 22 at 4:45PM MST by NWS Tucson AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T23:07:00.000Z",
  "issuedAt": "2026-10-22T23:07:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T23:07:00.000Z",
  "onsetAt": "2026-10-22T23:07:00.000Z",
  "expiresAt": "2026-10-22T23:45:00.000Z",
  "forecastEndAt": "2026-10-22T23:45:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Update",
  "status": "Source update",
  "place": "Graham, AZ; Pinal, AZ",
  "coordinates": null,
  "issuer": "NWS Tucson AZ",
  "summary": "Severe Thunderstorm Warning · Graham, AZ; Pinal, AZ. Severe; observed; urgency: immediate.",
  "description": "At 407 PM MST, a severe thunderstorm was located 7 miles northeast of\nAravaipa Canyon Wilderness, moving northeast at 50 mph.\n\nHAZARD...Golf ball size hail and 60 mph wind gusts.\n\nSOURCE...Radar indicated.\n\nIMPACT...People and animals outdoors will be injured. Expect hail\ndamage to roofs, siding, windows, and vehicles. Expect wind\ndamage to roofs, siding, and trees.\n\nLocations impacted include...\nAravaipa Canyon Wilderness, Bylas, Calva and San Carlos Reservoir.\n\nThis includes Route 70 between mile markers 276 and 300.",
  "instruction": "Anyone outdoors should move to shelter inside a well-built structure\nand stay away from windows. This storm is capable of producing\ndangerous hail and damaging winds.\n\nA Tornado Watch remains in effect until 800 PM MST Thursday for a\nportion of Southeast Arizona.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d182967e8970f704e7093fc7781a2e9adfb01455.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}
    Visit the external source ↗

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