Severe Thunderstorm Warning issued October 20 at 11:31PM MST until October 20 at 11:45PM MST by NWS Phoenix AZ

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   21 October 2026 at 06:40 UTC

   Version 2

   Source status changed

   Title

   Before

   Severe Thunderstorm Warning issued October 20 at 11:11PM MST until October 20 at 11:45PM MST by NWS Phoenix AZ

   After

   Severe Thunderstorm Warning issued October 20 at 11:31PM MST until October 20 at 11:45PM MST by NWS Phoenix AZ

   Source updated

   Before

   21 October 2026 at 06:11 UTC

   After

   21 October 2026 at 06:31 UTC

   Effective from

   Before

   21 October 2026 at 06:11 UTC

   After

   21 October 2026 at 06:31 UTC

   Forecast onset

   Before

   21 October 2026 at 06:11 UTC

   After

   21 October 2026 at 06:31 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... Gila County in east central Arizona... Maricopa County in south central Arizona... * Until 1145 PM MST. * At 1111 PM MST, a severe thunderstorm was located over Ballantine Trailhead, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is possible. Wind damage to roofs, siding, and trees is possible. * Locations impacted include... Sunflower, Round Valley, Sycamore Creek, Ballantine Trailhead, Punkin Center and Tonto Basin.

   After

   At 1131 PM MST, a severe thunderstorm was located over Sunflower, moving northeast at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is possible. Wind damage to roofs, siding, and trees is possible. Locations impacted include... Sycamore Creek and Sunflower.

   External source link

   Before

   https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.64000e8732dd704f70988fa3ee89e80970dfc5fc.001.1

   After

   https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9335c167b1c7952e3aedd3bb30932b6b5d5e1454.001.1

   Bulletin issued: 21 October 2026 at 06:31 UTC

   View saved version 2

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

   {
     "id": "nws:b962fa75e0cbab9d6093a428",
     "authorityId": "urn:oid:2.49.0.1.840.0.9335c167b1c7952e3aedd3bb30932b6b5d5e1454.001.1",
     "sender": "w-nws.webmaster@noaa.gov",
     "references": [
       {
         "identifier": "urn:oid:2.49.0.1.840.0.64000e8732dd704f70988fa3ee89e80970dfc5fc.001.1",
         "sender": "w-nws.webmaster@noaa.gov"
       }
     ],
     "category": "weather",
     "title": "Severe Thunderstorm Warning issued October 20 at 11:31PM MST until October 20 at 11:45PM MST by NWS Phoenix AZ",
     "eventType": "Severe Thunderstorm Warning",
     "occurredAt": "2026-10-21T06:31:00.000Z",
     "issuedAt": "2026-10-21T06:31:00.000Z",
     "timeBasis": "Bulletin issued",
     "effectiveAt": "2026-10-21T06:31:00.000Z",
     "onsetAt": "2026-10-21T06:31:00.000Z",
     "expiresAt": "2026-10-21T06:45:00.000Z",
     "forecastEndAt": "2026-10-21T06:45:00.000Z",
     "severity": "Severe",
     "urgency": "Immediate",
     "certainty": "Observed",
     "messageType": "Update",
     "status": "Source update",
     "place": "Gila, AZ; Maricopa, AZ",
     "coordinates": null,
     "issuer": "NWS Phoenix AZ",
     "summary": "Severe Thunderstorm Warning · Gila, AZ; Maricopa, AZ. Severe; observed; urgency: immediate.",
     "description": "At 1131 PM MST, a severe thunderstorm was located over Sunflower,\nmoving 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 possible. Wind damage to roofs,\nsiding, and trees is possible.\n\nLocations impacted include...\nSycamore Creek and Sunflower.",
     "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.\n\nReport severe weather to your nearest law enforcement agency or the\nNational Weather Service office in Phoenix AZ.",
     "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.9335c167b1c7952e3aedd3bb30932b6b5d5e1454.001.1",
     "source": "nws",
     "sourceName": "NOAA NWS"
   }

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