NOAA NWS / Event history

Severe Thunderstorm Warning issued October 22 at 1:25PM MST until October 22 at 1:30PM MST by NWS Tucson AZ

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

See what changed ↓Detailed event record ↗

Bulletin issued: 22 October 2026 at 20:25 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 Tucson AZ · Graham, AZ
Certainty / urgency: Observed / Immediate
Message expiry (not hazard end): 22 October 2026 at 20:35 UTC
Forecast onset / end: 22 October 2026 at 20:25 UTC / 22 October 2026 at 20:30 UTC

Archived official description

The storm which prompted the warning has moved out of the area. 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

2 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.

Showing 2 changes

Saved by us
22 October 2026 at 20:27 UTC
Version 3
8 recorded details changed
Title
Before
Severe Thunderstorm Warning issued October 22 at 1:02PM MST until October 22 at 1:30PM MST by NWS Tucson AZ
After
Severe Thunderstorm Warning issued October 22 at 1:25PM MST until October 22 at 1:30PM MST by NWS Tucson AZ
Source updated
Before
22 October 2026 at 20:02 UTC
After
22 October 2026 at 20:25 UTC
Effective from
Before
22 October 2026 at 20:02 UTC
After
22 October 2026 at 20:25 UTC
Forecast onset
Before
22 October 2026 at 20:02 UTC
After
22 October 2026 at 20:25 UTC
Message expiry
Before
22 October 2026 at 20:30 UTC
After
22 October 2026 at 20:35 UTC
Official description
Before
At 102 PM MST, a severe thunderstorm was located 19 miles east of Peridot, moving northeast at 35 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... Mainly rural areas of Northwestern Graham County.
After
The storm which prompted the warning has moved out of the area. 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
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.
After
Not supplied
External source link
Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.61c5e3d8c4ac1cc86e68efd5a0efdfb8d3fbe93a.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.8539427dece8e02825efc0b14f76ab0d4424f613.001.1
Bulletin issued: 22 October 2026 at 20:25 UTC
View saved version 3
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:c9cb45bc4845ddf65d4a5dbb", "authorityId": "urn:oid:2.49.0.1.840.0.8539427dece8e02825efc0b14f76ab0d4424f613.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.4ae2d246aca7bab42e68143791a6ef4d242b11c8.001.1", "sender": "w-nws.webmaster@noaa.gov" }, { "identifier": "urn:oid:2.49.0.1.840.0.61c5e3d8c4ac1cc86e68efd5a0efdfb8d3fbe93a.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Severe Thunderstorm Warning issued October 22 at 1:25PM MST until October 22 at 1:30PM MST by NWS Tucson AZ", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-22T20:25:00.000Z", "issuedAt": "2026-10-22T20:25:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-22T20:25:00.000Z", "onsetAt": "2026-10-22T20:25:00.000Z", "expiresAt": "2026-10-22T20:35:00.000Z", "forecastEndAt": "2026-10-22T20:30:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Observed", "messageType": "Update", "status": "Source update", "place": "Graham, AZ", "coordinates": null, "issuer": "NWS Tucson AZ", "summary": "Severe Thunderstorm Warning · Graham, AZ. Severe; observed; urgency: immediate.", "description": "The storm which prompted the warning has moved out of the area.\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:2.49.0.1.840.0.8539427dece8e02825efc0b14f76ab0d4424f613.001.1", "source": "nws", "sourceName": "NOAA NWS" }
Visit the external source ↗
The external page may have changed since this version was saved.
Saved by us
22 October 2026 at 20:12 UTC
Version 2
Source status changed
Title
Before
Severe Thunderstorm Warning issued October 22 at 12:42PM MST until October 22 at 1:30PM MST by NWS Tucson AZ
After
Severe Thunderstorm Warning issued October 22 at 1:02PM MST until October 22 at 1:30PM MST by NWS Tucson AZ
Source updated
Before
22 October 2026 at 19:42 UTC
After
22 October 2026 at 20:02 UTC
Effective from
Before
22 October 2026 at 19:42 UTC
After
22 October 2026 at 20:02 UTC
Forecast onset
Before
22 October 2026 at 19:42 UTC
After
22 October 2026 at 20:02 UTC
Message type
Before
Alert
After
Update
Source status
Before
Source alert
After
Source update
Official description
Before
SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... Northwestern Graham County in southeastern Arizona... * Until 130 PM MST. * At 1242 PM MST, a severe thunderstorm was located 15 miles southeast of Peridot, moving northeast at 40 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... Bylas and Calva. This includes Route 70 between mile markers 281 and 297.
After
At 102 PM MST, a severe thunderstorm was located 19 miles east of Peridot, moving northeast at 35 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... Mainly rural areas of Northwestern Graham County.
External source link
Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.4ae2d246aca7bab42e68143791a6ef4d242b11c8.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.61c5e3d8c4ac1cc86e68efd5a0efdfb8d3fbe93a.001.1
Bulletin issued: 22 October 2026 at 20:02 UTC
View saved version 2
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:ce288b1cfe0ddf55243ee1a3", "authorityId": "urn:oid:2.49.0.1.840.0.61c5e3d8c4ac1cc86e68efd5a0efdfb8d3fbe93a.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.4ae2d246aca7bab42e68143791a6ef4d242b11c8.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Severe Thunderstorm Warning issued October 22 at 1:02PM MST until October 22 at 1:30PM MST by NWS Tucson AZ", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-22T20:02:00.000Z", "issuedAt": "2026-10-22T20:02:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-22T20:02:00.000Z", "onsetAt": "2026-10-22T20:02:00.000Z", "expiresAt": "2026-10-22T20:30:00.000Z", "forecastEndAt": "2026-10-22T20:30:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Observed", "messageType": "Update", "status": "Source update", "place": "Graham, AZ", "coordinates": null, "issuer": "NWS Tucson AZ", "summary": "Severe Thunderstorm Warning · Graham, AZ. Severe; observed; urgency: immediate.", "description": "At 102 PM MST, a severe thunderstorm was located 19 miles east of\nPeridot, moving northeast at 35 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\nLocations impacted include...\nMainly rural areas of Northwestern Graham County.", "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:2.49.0.1.840.0.61c5e3d8c4ac1cc86e68efd5a0efdfb8d3fbe93a.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

Saved by us

22 October 2026 at 19:57 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 22 at 12:42PM MST until October 22 at 1:30PM MST by NWS Tucson AZ. We have no earlier saved version to compare.

Bulletin issued: 22 October 2026 at 19:42 UTC

View saved version 1

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

{
  "id": "nws:6142ec1c58b62ba9f997f0e7",
  "authorityId": "urn:oid:2.49.0.1.840.0.4ae2d246aca7bab42e68143791a6ef4d242b11c8.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 12:42PM MST until October 22 at 1:30PM MST by NWS Tucson AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T19:42:00.000Z",
  "issuedAt": "2026-10-22T19:42:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T19:42:00.000Z",
  "onsetAt": "2026-10-22T19:42:00.000Z",
  "expiresAt": "2026-10-22T20:30:00.000Z",
  "forecastEndAt": "2026-10-22T20:30:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Graham, AZ",
  "coordinates": null,
  "issuer": "NWS Tucson AZ",
  "summary": "Severe Thunderstorm Warning · Graham, AZ. Severe; observed; urgency: immediate.",
  "description": "SVRTWC\n\nThe National Weather Service in Tucson has issued a\n\n* Severe Thunderstorm Warning for...\nNorthwestern Graham County in southeastern Arizona...\n\n* Until 130 PM MST.\n\n* At 1242 PM MST, a severe thunderstorm was located 15 miles\nsoutheast of Peridot, moving northeast at 40 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...\nBylas and Calva.\n\nThis includes Route 70 between mile markers 281 and 297.",
  "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:2.49.0.1.840.0.4ae2d246aca7bab42e68143791a6ef4d242b11c8.001.1",
  "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 1:25PM MST until October 22 at 1:30PM MST by NWS Tucson AZ

Archived official description

What changed

8 recorded details changed

Source status changed

First saved record