NOAA NWS / Event history

Severe Thunderstorm Warning issued October 22 at 8:40AM MST until October 22 at 8:45AM MST by NWS Phoenix AZ

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

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Bulletin issued: 22 October 2026 at 15:40 UTC
First saved by us: 22 October 2026 at 15:12 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 Phoenix AZ · Maricopa, AZ
Certainty / urgency: Observed / Immediate
Message expiry (not hazard end): 22 October 2026 at 15:50 UTC
Forecast onset / end: 22 October 2026 at 15:40 UTC / 22 October 2026 at 15:45 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 Severe Thunderstorm Watch remains in effect until 1100 AM MST Thursday for a portion of south central 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 15:42 UTC
Version 3
8 recorded details changed
Title
Before
Severe Thunderstorm Warning issued October 22 at 8:16AM MST until October 22 at 8:45AM MST by NWS Phoenix AZ
After
Severe Thunderstorm Warning issued October 22 at 8:40AM MST until October 22 at 8:45AM MST by NWS Phoenix AZ
Source updated
Before
22 October 2026 at 15:16 UTC
After
22 October 2026 at 15:40 UTC
Effective from
Before
22 October 2026 at 15:16 UTC
After
22 October 2026 at 15:40 UTC
Forecast onset
Before
22 October 2026 at 15:16 UTC
After
22 October 2026 at 15:40 UTC
Message expiry
Before
22 October 2026 at 15:45 UTC
After
22 October 2026 at 15:50 UTC
Official description
Before
At 816 AM MST, a severe thunderstorm was located over Desert Mountain, or 13 miles north of Scottsdale, moving north 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... Scottsdale, Cave Creek, Carefree, Camp Creek, Desert Mountain, Rio Verde and Seven Springs.
After
The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. A Severe Thunderstorm Watch remains in effect until 1100 AM MST Thursday for a portion of south central 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. Torrential rainfall is also occurring with this storm and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
After
Not supplied
External source link
Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.07afb259bc482a7c385b4fff375d037cf100db65.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.73acfe50ce768ab0951119081c790cc19073273f.001.1
Bulletin issued: 22 October 2026 at 15:40 UTC
View saved version 3
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:a02025323fb2aea750ab2d6a", "authorityId": "urn:oid:2.49.0.1.840.0.73acfe50ce768ab0951119081c790cc19073273f.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.dd67972cb584d1a30d7c5ec9e98ab1b79b70016a.001.1", "sender": "w-nws.webmaster@noaa.gov" }, { "identifier": "urn:oid:2.49.0.1.840.0.07afb259bc482a7c385b4fff375d037cf100db65.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Severe Thunderstorm Warning issued October 22 at 8:40AM MST until October 22 at 8:45AM MST by NWS Phoenix AZ", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-22T15:40:00.000Z", "issuedAt": "2026-10-22T15:40:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-22T15:40:00.000Z", "onsetAt": "2026-10-22T15:40:00.000Z", "expiresAt": "2026-10-22T15:50:00.000Z", "forecastEndAt": "2026-10-22T15:45:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Observed", "messageType": "Update", "status": "Source update", "place": "Maricopa, AZ", "coordinates": null, "issuer": "NWS Phoenix AZ", "summary": "Severe Thunderstorm Warning · Maricopa, 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 Severe Thunderstorm Watch remains in effect until 1100 AM MST\nThursday for a portion of south central Arizona.", "instruction": "", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.73acfe50ce768ab0951119081c790cc19073273f.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 15:27 UTC
Version 2
Source status changed
Title
Before
Severe Thunderstorm Warning issued October 22 at 7:56AM MST until October 22 at 8:45AM MST by NWS Phoenix AZ
After
Severe Thunderstorm Warning issued October 22 at 8:16AM MST until October 22 at 8:45AM MST by NWS Phoenix AZ
Source updated
Before
22 October 2026 at 14:56 UTC
After
22 October 2026 at 15:16 UTC
Effective from
Before
22 October 2026 at 14:56 UTC
After
22 October 2026 at 15:16 UTC
Forecast onset
Before
22 October 2026 at 14:56 UTC
After
22 October 2026 at 15:16 UTC
Message type
Before
Alert
After
Update
Source status
Before
Source alert
After
Source update
Official description
Before
SVRPSR The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... Maricopa County in south central Arizona... * Until 845 AM MST. * At 756 AM MST, a severe thunderstorm was located over Scottsdale, moving north 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... Scottsdale, Fountain Hills, Paradise Valley, Cave Creek, Carefree, Desert Mountain, Camp Creek, McDowell Mountain Park, Rio Verde, Scottsdale Airport and Seven Springs.
After
At 816 AM MST, a severe thunderstorm was located over Desert Mountain, or 13 miles north of Scottsdale, moving north 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... Scottsdale, Cave Creek, Carefree, Camp Creek, Desert Mountain, Rio Verde and Seven Springs.
External source link
Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.dd67972cb584d1a30d7c5ec9e98ab1b79b70016a.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.07afb259bc482a7c385b4fff375d037cf100db65.001.1
Bulletin issued: 22 October 2026 at 15:16 UTC
View saved version 2
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:568ed4aa8ea61b1e52e76b75", "authorityId": "urn:oid:2.49.0.1.840.0.07afb259bc482a7c385b4fff375d037cf100db65.001.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.dd67972cb584d1a30d7c5ec9e98ab1b79b70016a.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Severe Thunderstorm Warning issued October 22 at 8:16AM MST until October 22 at 8:45AM MST by NWS Phoenix AZ", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-22T15:16:00.000Z", "issuedAt": "2026-10-22T15:16:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-22T15:16:00.000Z", "onsetAt": "2026-10-22T15:16:00.000Z", "expiresAt": "2026-10-22T15:45:00.000Z", "forecastEndAt": "2026-10-22T15:45:00.000Z", "severity": "Severe", "urgency": "Immediate", "certainty": "Observed", "messageType": "Update", "status": "Source update", "place": "Maricopa, AZ", "coordinates": null, "issuer": "NWS Phoenix AZ", "summary": "Severe Thunderstorm Warning · Maricopa, AZ. Severe; observed; urgency: immediate.", "description": "At 816 AM MST, a severe thunderstorm was located over Desert\nMountain, or 13 miles north of Scottsdale, moving north 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\nLocations impacted include...\nScottsdale, Cave Creek, Carefree, Camp Creek, Desert Mountain, Rio\nVerde and Seven Springs.", "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\nTorrential rainfall is also occurring with this storm and may lead to\nflash flooding. Do not drive your vehicle through flooded roadways.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.07afb259bc482a7c385b4fff375d037cf100db65.001.1", "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 15:12 UTC

Saved by us

22 October 2026 at 15:12 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 22 at 7:56AM MST until October 22 at 8:45AM MST by NWS Phoenix AZ. We have no earlier saved version to compare.

Bulletin issued: 22 October 2026 at 14:56 UTC

View saved version 1

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

{
  "id": "nws:8cd08b14bfe9611efab732d6",
  "authorityId": "urn:oid:2.49.0.1.840.0.dd67972cb584d1a30d7c5ec9e98ab1b79b70016a.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 7:56AM MST until October 22 at 8:45AM MST by NWS Phoenix AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T14:56:00.000Z",
  "issuedAt": "2026-10-22T14:56:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T14:56:00.000Z",
  "onsetAt": "2026-10-22T14:56:00.000Z",
  "expiresAt": "2026-10-22T15:45:00.000Z",
  "forecastEndAt": "2026-10-22T15:45:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Maricopa, AZ",
  "coordinates": null,
  "issuer": "NWS Phoenix AZ",
  "summary": "Severe Thunderstorm Warning · Maricopa, AZ. Severe; observed; urgency: immediate.",
  "description": "SVRPSR\n\nThe National Weather Service in Phoenix has issued a\n\n* Severe Thunderstorm Warning for...\nMaricopa County in south central Arizona...\n\n* Until 845 AM MST.\n\n* At 756 AM MST, a severe thunderstorm was located over Scottsdale,\nmoving north 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...\nScottsdale, Fountain Hills, Paradise Valley, Cave Creek, Carefree,\nDesert Mountain, Camp Creek, McDowell Mountain Park, Rio Verde,\nScottsdale Airport and Seven Springs.",
  "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\nTorrential rainfall is also occurring with this storm and may lead to\nflash flooding. Do not drive your vehicle through flooded roadways.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.dd67972cb584d1a30d7c5ec9e98ab1b79b70016a.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 8:40AM MST until October 22 at 8:45AM MST by NWS Phoenix AZ

Archived official description

What changed

8 recorded details changed

Source status changed

First saved record