NOAA NWS / Event history

Severe Thunderstorm Warning issued October 22 at 5:54PM MST until October 22 at 6:45PM MST by NWS Tucson AZ

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

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Bulletin issued: 23 October 2026 at 00:54 UTC
First saved by us: 23 October 2026 at 00:57 UTC
Last included in a daily record: 23 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 alert

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; Greenlee, AZ
Certainty / urgency: Observed / Immediate
Message expiry (not hazard end): 23 October 2026 at 01:45 UTC
Forecast onset / end: 23 October 2026 at 00:54 UTC / 23 October 2026 at 01:45 UTC

Archived official description

SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... Central Graham County in southeastern Arizona... West Central Greenlee County in southeastern Arizona... * Until 645 PM MST. * At 554 PM MST, a severe thunderstorm was located 18 miles west of Thatcher, moving northeast at 45 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Pima and Fort Thomas. This includes Route 70 between mile markers 303 and 332.

Instructions in this archived message

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

The saved record

What changed

0 updates · 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.

First saved record · 23 October 2026 at 00:57 UTC

Saved by us

23 October 2026 at 00:57 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 22 at 5:54PM MST until October 22 at 6:45PM MST by NWS Tucson AZ. We have no earlier saved version to compare.

Bulletin issued: 23 October 2026 at 00:54 UTC

View saved version 1

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

{
  "id": "nws:8be50b8a0773e2addf7fb05e",
  "authorityId": "urn:oid:2.49.0.1.840.0.dbeb5bc3b383225224290c43b607b72158bdf916.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 5:54PM MST until October 22 at 6:45PM MST by NWS Tucson AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-23T00:54:00.000Z",
  "issuedAt": "2026-10-23T00:54:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-23T00:54:00.000Z",
  "onsetAt": "2026-10-23T00:54:00.000Z",
  "expiresAt": "2026-10-23T01:45:00.000Z",
  "forecastEndAt": "2026-10-23T01:45:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Graham, AZ; Greenlee, AZ",
  "coordinates": null,
  "issuer": "NWS Tucson AZ",
  "summary": "Severe Thunderstorm Warning · Graham, AZ; Greenlee, AZ. Severe; observed; urgency: immediate.",
  "description": "SVRTWC\n\nThe National Weather Service in Tucson has issued a\n\n* Severe Thunderstorm Warning for...\nCentral Graham County in southeastern Arizona...\nWest Central Greenlee County in southeastern Arizona...\n\n* Until 645 PM MST.\n\n* At 554 PM MST, a severe thunderstorm was located 18 miles west of\nThatcher, moving northeast at 45 mph.\n\nHAZARD...60 mph wind gusts and quarter size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Hail damage to vehicles is expected. Expect wind damage to\nroofs, siding, and trees.\n\n* Locations impacted include...\nPima and Fort Thomas.\n\nThis includes Route 70 between mile markers 303 and 332.",
  "instruction": "Seek shelter inside a well-built structure and stay away from\nwindows. This storm is capable of producing damaging winds and large\nhail.\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.dbeb5bc3b383225224290c43b607b72158bdf916.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

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