NOAA NWS / Event history

Severe Thunderstorm Watch issued October 21 at 1:40PM MST until October 21 at 9:00PM MST by NWS Tucson AZ

Severe Thunderstorm Watch · Graham, AZ; Greenlee, AZ. Severe; possible; urgency: future.

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Bulletin issued: 21 October 2026 at 20:40 UTC
First saved by us: 21 October 2026 at 20:55 UTC
Last included in a daily record: 21 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: Possible / Future
Message expiry (not hazard end): 22 October 2026 at 04:00 UTC
Forecast onset / end: 21 October 2026 at 20:40 UTC / 22 October 2026 at 04:00 UTC

Archived official description

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 689 IN EFFECT UNTIL 9 PM MST THIS EVENING FOR THE FOLLOWING AREAS IN ARIZONA THIS WATCH INCLUDES 2 COUNTIES IN SOUTHEAST ARIZONA GRAHAM GREENLEE THIS INCLUDES THE CITIES OF CLIFTON, DUNCAN, MORENCI, SAFFORD, AND THATCHER.

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 · 21 October 2026 at 20:55 UTC

Saved by us

21 October 2026 at 20:55 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Watch issued October 21 at 1:40PM MST until October 21 at 9:00PM MST by NWS Tucson AZ. We have no earlier saved version to compare.

Bulletin issued: 21 October 2026 at 20:40 UTC

View saved version 1

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

{
  "id": "nws:fa822c68847c7f202fff35c5",
  "authorityId": "urn:oid:2.49.0.1.840.0.091b9c13e922980fed3c51730f6df6ccd8a08903.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Watch issued October 21 at 1:40PM MST until October 21 at 9:00PM MST by NWS Tucson AZ",
  "eventType": "Severe Thunderstorm Watch",
  "occurredAt": "2026-10-21T20:40:00.000Z",
  "issuedAt": "2026-10-21T20:40:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-21T20:40:00.000Z",
  "onsetAt": "2026-10-21T20:40:00.000Z",
  "expiresAt": "2026-10-22T04:00:00.000Z",
  "forecastEndAt": "2026-10-22T04:00:00.000Z",
  "severity": "Severe",
  "urgency": "Future",
  "certainty": "Possible",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Graham, AZ; Greenlee, AZ",
  "coordinates": null,
  "issuer": "NWS Tucson AZ",
  "summary": "Severe Thunderstorm Watch · Graham, AZ; Greenlee, AZ. Severe; possible; urgency: future.",
  "description": "THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH\n689 IN EFFECT UNTIL 9 PM MST THIS EVENING FOR THE FOLLOWING AREAS\n\nIN ARIZONA THIS WATCH INCLUDES 2 COUNTIES\n\nIN SOUTHEAST ARIZONA\n\nGRAHAM                GREENLEE\n\nTHIS INCLUDES THE CITIES OF CLIFTON, DUNCAN, MORENCI, SAFFORD,\nAND THATCHER.",
  "instruction": "",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.091b9c13e922980fed3c51730f6df6ccd8a08903.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

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