Severe Thunderstorm Warning issued October 21 at 7:10AM MST until October 21 at 7:30AM MST by NWS Flagstaff AZ

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1. Saved by us

   21 October 2026 at 14:25 UTC

   Version 2

   Source status changed

   Title

   Before

   Severe Thunderstorm Warning issued October 21 at 6:59AM MST until October 21 at 7:30AM MST by NWS Flagstaff AZ

   After

   Severe Thunderstorm Warning issued October 21 at 7:10AM MST until October 21 at 7:30AM MST by NWS Flagstaff AZ

   Source updated

   Before

   21 October 2026 at 13:59 UTC

   After

   21 October 2026 at 14:10 UTC

   Effective from

   Before

   21 October 2026 at 13:59 UTC

   After

   21 October 2026 at 14:10 UTC

   Forecast onset

   Before

   21 October 2026 at 13:59 UTC

   After

   21 October 2026 at 14:10 UTC

   Message type

   Before

   Alert

   After

   Update

   Source status

   Before

   Source alert

   After

   Source update

   Official description

   Before

   SVRFGZ The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Yavapai County in west central Arizona... * Until 730 AM MST. * At 659 AM MST, a severe thunderstorm was located 6 miles south of Yarnell, or 31 miles southwest of Prescott, moving northeast at 50 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Congress, Yarnell, Wilhoit, Peeples Valley, Kirkland, Potato Patch, Skull Valley, Copper Basin, Hawkins, Palace Station, Stanton, Wagoner, Kirkland Junction, Yava, Granite Mountain Hotshots Memorial State Park, Walnut Grove and Piedmont. This includes the following highways... State Route 71 between mile markers 108 and 109. State Route 89 between mile markers 266 and 304. This includes the following recreation areas and campgrounds... Upper Wolf Creek Group Campground, Lower Wolf…

   After

   At 710 AM MST, a severe thunderstorm was located 6 miles east of Yarnell, or 23 miles southwest of Prescott, moving northeast at 50 mph. HAZARD...Two inch hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Yarnell, Wilhoit, Peeples Valley, Kirkland, Potato Patch, Skull Valley, Copper Basin, Hawkins, Palace Station, Stanton, Kirkland Junction, Walnut Grove, Granite Mountain Hotshots Memorial State Park, Mt. Union and Weaver Peak. This includes State Route 89 between mile markers 272 and 304. This includes the following recreation areas and campgrounds... Upper Wolf Creek Group Campground, Lower Wolf…

   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.

   After

   Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. This storm is capable of producing dangerous hail and damaging winds.

   External source link

   Before

   https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.cd8760d8bac781ade4d98fb4ee3beab6601cc10b.001.1

   After

   https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6658c7b5f8ebf5d0fa039d585dbbc57de1bc651d.001.1

   Bulletin issued: 21 October 2026 at 14:10 UTC

   View saved version 2

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

   {
     "id": "nws:f1cab02f9c2aa3ec458cb393",
     "authorityId": "urn:oid:2.49.0.1.840.0.6658c7b5f8ebf5d0fa039d585dbbc57de1bc651d.001.1",
     "sender": "w-nws.webmaster@noaa.gov",
     "references": [
       {
         "identifier": "urn:oid:2.49.0.1.840.0.cd8760d8bac781ade4d98fb4ee3beab6601cc10b.001.1",
         "sender": "w-nws.webmaster@noaa.gov"
       }
     ],
     "category": "weather",
     "title": "Severe Thunderstorm Warning issued October 21 at 7:10AM MST until October 21 at 7:30AM MST by NWS Flagstaff AZ",
     "eventType": "Severe Thunderstorm Warning",
     "occurredAt": "2026-10-21T14:10:00.000Z",
     "issuedAt": "2026-10-21T14:10:00.000Z",
     "timeBasis": "Bulletin issued",
     "effectiveAt": "2026-10-21T14:10:00.000Z",
     "onsetAt": "2026-10-21T14:10:00.000Z",
     "expiresAt": "2026-10-21T14:30:00.000Z",
     "forecastEndAt": "2026-10-21T14:30:00.000Z",
     "severity": "Severe",
     "urgency": "Immediate",
     "certainty": "Observed",
     "messageType": "Update",
     "status": "Source update",
     "place": "Yavapai, AZ",
     "coordinates": null,
     "issuer": "NWS Flagstaff AZ",
     "summary": "Severe Thunderstorm Warning · Yavapai, AZ. Severe; observed; urgency: immediate.",
     "description": "At 710 AM MST, a severe thunderstorm was located 6 miles east of\nYarnell, or 23 miles southwest of Prescott, moving northeast at 50\nmph.\n\nHAZARD...Two inch hail and 60 mph wind gusts.\n\nSOURCE...Radar indicated.\n\nIMPACT...People and animals outdoors will be injured. Expect hail\ndamage to roofs, siding, windows, and vehicles. Expect wind\ndamage to roofs, siding, and trees.\n\nLocations impacted include...\nYarnell, Wilhoit, Peeples Valley, Kirkland, Potato Patch, Skull\nValley, Copper Basin, Hawkins, Palace Station, Stanton, Kirkland\nJunction, Walnut Grove, Granite Mountain Hotshots Memorial State\nPark, Mt. Union and Weaver Peak.\n\nThis includes State Route 89 between mile markers 272 and 304.\n\nThis includes the following recreation areas and campgrounds...\nUpper Wolf Creek Group Campground, Lower Wolf Creek Campground and\nWolf Creek Falls.\n\nThis includes the following swimming holes...\nWolf Creek Falls.",
     "instruction": "Anyone outdoors should move to shelter inside a well-built structure\nand stay away from windows. This storm is capable of producing\ndangerous hail and damaging winds.",
     "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6658c7b5f8ebf5d0fa039d585dbbc57de1bc651d.001.1",
     "source": "nws",
     "sourceName": "NOAA NWS"
   }

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