Severe Thunderstorm Warning issued October 21 at 8:59AM MST until October 21 at 9:15AM MST by NWS Flagstaff AZ

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   21 October 2026 at 16:10 UTC

   Version 2

   Source status changed

   Title

   Before

   Severe Thunderstorm Warning issued October 21 at 8:43AM MST until October 21 at 9:15AM MST by NWS Flagstaff AZ

   After

   Severe Thunderstorm Warning issued October 21 at 8:59AM MST until October 21 at 9:15AM MST by NWS Flagstaff AZ

   Source updated

   Before

   21 October 2026 at 15:43 UTC

   After

   21 October 2026 at 15:59 UTC

   Effective from

   Before

   21 October 2026 at 15:43 UTC

   After

   21 October 2026 at 15:59 UTC

   Forecast onset

   Before

   21 October 2026 at 15:43 UTC

   After

   21 October 2026 at 15:59 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... Coconino County in north central Arizona... Yavapai County in west central Arizona... * Until 915 AM MST. * At 843 AM MST, a severe thunderstorm was located 9 miles southwest of Fernow Cabin, or 11 miles northwest of Sedona, moving north at 45 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Fernow Cabin, Camp Navajo, Honanki Heritage Site, Red Rock-Secret Mountain Wilderness, Syc…

   After

   At 859 AM MST, a severe thunderstorm was located 6 miles northwest of Fernow Cabin, or 16 miles north of Sedona, moving north at 45 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Fernow Cabin, Camp Navajo, Honanki Heritage Site, Red Rock-Secret Mountain Wilderness, Syc…

   External source link

   Before

   https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.91629ecb0c1094f1fa042a6e1125303ecfce4d6f.001.1

   After

   https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3f58eacdc8db454232ea92cd5478fff4babd6f98.001.1

   Bulletin issued: 21 October 2026 at 15:59 UTC

   View saved version 2

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

   {
     "id": "nws:ce05e980258deb4a92fee71c",
     "authorityId": "urn:oid:2.49.0.1.840.0.3f58eacdc8db454232ea92cd5478fff4babd6f98.001.1",
     "sender": "w-nws.webmaster@noaa.gov",
     "references": [
       {
         "identifier": "urn:oid:2.49.0.1.840.0.91629ecb0c1094f1fa042a6e1125303ecfce4d6f.001.1",
         "sender": "w-nws.webmaster@noaa.gov"
       }
     ],
     "category": "weather",
     "title": "Severe Thunderstorm Warning issued October 21 at 8:59AM MST until October 21 at 9:15AM MST by NWS Flagstaff AZ",
     "eventType": "Severe Thunderstorm Warning",
     "occurredAt": "2026-10-21T15:59:00.000Z",
     "issuedAt": "2026-10-21T15:59:00.000Z",
     "timeBasis": "Bulletin issued",
     "effectiveAt": "2026-10-21T15:59:00.000Z",
     "onsetAt": "2026-10-21T15:59:00.000Z",
     "expiresAt": "2026-10-21T16:15:00.000Z",
     "forecastEndAt": "2026-10-21T16:15:00.000Z",
     "severity": "Severe",
     "urgency": "Immediate",
     "certainty": "Observed",
     "messageType": "Update",
     "status": "Source update",
     "place": "Coconino, AZ; Yavapai, AZ",
     "coordinates": null,
     "issuer": "NWS Flagstaff AZ",
     "summary": "Severe Thunderstorm Warning · Coconino, AZ; Yavapai, AZ. Severe; observed; urgency: immediate.",
     "description": "At 859 AM MST, a severe thunderstorm was located 6 miles northwest of\nFernow Cabin, or 16 miles north of Sedona, moving north at 45 mph.\n\nHAZARD...Quarter size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Damage to vehicles is expected.\n\nLocations impacted include...\nFernow Cabin, Camp Navajo, Honanki Heritage Site, Red Rock-Secret\nMountain Wilderness, Sycamore Canyon Wilderness, Parsons Spring,\nSycamore Point, Secret Mountain Vista, Rogers Lake and Sycamore\nCanyon.\n\nThis includes Interstate 40 between mile markers 180 and 183.\n\nThis includes the following recreation areas and campgrounds...\nTaylor Cabin Line Camp.",
     "instruction": "Seek shelter inside a well-built structure and stay away from\nwindows. This storm is capable of producing large hail.",
     "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3f58eacdc8db454232ea92cd5478fff4babd6f98.001.1",
     "source": "nws",
     "sourceName": "NOAA NWS"
   }

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