Severe Thunderstorm Warning issued October 20 at 10:09PM MST until October 20 at 10:30PM MST by NWS Phoenix AZ

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1. Saved by us

   21 October 2026 at 05:10 UTC

   Version 2

   Source status changed

   Title

   Before

   Severe Thunderstorm Warning issued October 20 at 9:49PM MST until October 20 at 10:30PM MST by NWS Phoenix AZ

   After

   Severe Thunderstorm Warning issued October 20 at 10:09PM MST until October 20 at 10:30PM MST by NWS Phoenix AZ

   Source updated

   Before

   21 October 2026 at 04:49 UTC

   After

   21 October 2026 at 05:09 UTC

   Effective from

   Before

   21 October 2026 at 04:49 UTC

   After

   21 October 2026 at 05:09 UTC

   Forecast onset

   Before

   21 October 2026 at 04:49 UTC

   After

   21 October 2026 at 05:09 UTC

   Message type

   Before

   Alert

   After

   Update

   Source status

   Before

   Source alert

   After

   Source update

   Reported area

   Before

   Maricopa, AZ; Pinal, AZ

   After

   Maricopa, AZ

   Source summary

   Before

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

   After

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

   Official description

   Before

   SVRPSR The National Weather Service in Phoenix has issued a * Severe Thunderstorm Warning for... Maricopa County in south central Arizona... Pinal County in southeastern Arizona... * Until 1030 PM MST. * At 949 PM MST, a severe thunderstorm was located 6 miles southwest of Chandler Fashion Center Mall, or 6 miles west of Sun Lakes, 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 possible. * Locations impacted include... Phoenix, Mesa, Chandler, Scottsdale, Gilbert, Tempe, Paradise Valley, Sun Lakes, East Mesa, Fiesta Mall, Mesa Riverview Mall, Tempe Marketplace, Downtown Mesa, Arizona State University, Salt River Indian Community, Papago Park, Arizona Mills Mall, Downtown Scottsdale, Chandler Fashion Center Mall and Chandler City Hall. This includes the following highways... AZ Route 87 between mile markers 161 and 170. AZ Route 202 between mile markers 10 and 19. AZ Route 101 between mile markers 39 and 48. US Highway 60 between mile markers 173 and 182. AZ Interstate 10 between mile markers 151 and 160. AZ Route 347 between mile markers 185 and 189.

   After

   At 1009 PM MST, a severe thunderstorm was located over Fiesta Mall, or 5 miles east of Tempe, moving northeast at 35 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Mesa, Chandler, Scottsdale, Gilbert, Tempe, East Mesa, Downtown Mesa, Mesa Riverview Mall, Salt River Indian Community, Fiesta Mall, Falcon Field Airport, Freestone Park, Tempe Marketplace, Gilbert City Hall, Arizona State University and Chandler City Hall.

   External source link

   Before

   https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3a2e03f972b5078bac315a8ac70547ff2d6334a5.001.1

   After

   https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b882e4fbc316f6bae0a038252f1e06932d4756af.002.1

   Bulletin issued: 21 October 2026 at 05:09 UTC

   View saved version 2

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

   {
     "id": "nws:13442072c9526f8bdd280b16",
     "authorityId": "urn:oid:2.49.0.1.840.0.b882e4fbc316f6bae0a038252f1e06932d4756af.002.1",
     "sender": "w-nws.webmaster@noaa.gov",
     "references": [
       {
         "identifier": "urn:oid:2.49.0.1.840.0.3a2e03f972b5078bac315a8ac70547ff2d6334a5.001.1",
         "sender": "w-nws.webmaster@noaa.gov"
       }
     ],
     "category": "weather",
     "title": "Severe Thunderstorm Warning issued October 20 at 10:09PM MST until October 20 at 10:30PM MST by NWS Phoenix AZ",
     "eventType": "Severe Thunderstorm Warning",
     "occurredAt": "2026-10-21T05:09:00.000Z",
     "issuedAt": "2026-10-21T05:09:00.000Z",
     "timeBasis": "Bulletin issued",
     "effectiveAt": "2026-10-21T05:09:00.000Z",
     "onsetAt": "2026-10-21T05:09:00.000Z",
     "expiresAt": "2026-10-21T05:30:00.000Z",
     "forecastEndAt": "2026-10-21T05:30:00.000Z",
     "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 1009 PM MST, a severe thunderstorm was located over Fiesta Mall,\nor 5 miles east of Tempe, moving northeast at 35 mph.\n\nHAZARD...60 mph wind gusts and half dollar 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...\nMesa, Chandler, Scottsdale, Gilbert, Tempe, East Mesa, Downtown\nMesa, Mesa Riverview Mall, Salt River Indian Community, Fiesta\nMall, Falcon Field Airport, Freestone Park, Tempe Marketplace,\nGilbert City Hall, Arizona State University and Chandler City Hall.",
     "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.b882e4fbc316f6bae0a038252f1e06932d4756af.002.1",
     "source": "nws",
     "sourceName": "NOAA NWS"
   }

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