Severe Thunderstorm Warning issued October 21 at 4:48AM MST until October 21 at 5:00AM MST by NWS Flagstaff AZ

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 1 change

1. Saved by us

   21 October 2026 at 11:55 UTC

   Version 2

   Source status changed

   Title

   Before

   Severe Thunderstorm Warning issued October 21 at 4:27AM MST until October 21 at 5:00AM MST by NWS Flagstaff AZ

   After

   Severe Thunderstorm Warning issued October 21 at 4:48AM MST until October 21 at 5:00AM MST by NWS Flagstaff AZ

   Source updated

   Before

   21 October 2026 at 11:27 UTC

   After

   21 October 2026 at 11:48 UTC

   Effective from

   Before

   21 October 2026 at 11:27 UTC

   After

   21 October 2026 at 11:48 UTC

   Forecast onset

   Before

   21 October 2026 at 11:27 UTC

   After

   21 October 2026 at 11:48 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 500 AM MST. * At 427 AM MST, a severe thunderstorm was located 8 miles northeast of Chino Valley, moving northeast at 40 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... Chino Valley, Paulden, Drake, Perkinsville and Sycamore Canyon Wilderness. This includes State Route 89 between mile markers 328 and 355.

   After

   At 448 AM MST, a severe thunderstorm was located 8 miles north of Perkinsville, or 22 miles northeast of Chino Valley, moving northeast at 40 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... Paulden, Drake, Perkinsville and Sycamore Canyon Wilderness. This includes State Route 89 between mile markers 341 and 354.

   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.fdafcebe50120590be0284341710593cf4efdda6.001.1

   After

   https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.3cce101aced6cdc98f97610be23f5fd169cd940f.001.1

   Bulletin issued: 21 October 2026 at 11:48 UTC

   View saved version 2

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

   {
     "id": "nws:479d82f6ab1f36b127fbe956",
     "authorityId": "urn:oid:2.49.0.1.840.0.3cce101aced6cdc98f97610be23f5fd169cd940f.001.1",
     "sender": "w-nws.webmaster@noaa.gov",
     "references": [
       {
         "identifier": "urn:oid:2.49.0.1.840.0.f9137252b3f1e9e1f22fabebf1b3b2963df2755a.001.1",
         "sender": "w-nws.webmaster@noaa.gov"
       },
       {
         "identifier": "urn:oid:2.49.0.1.840.0.fdafcebe50120590be0284341710593cf4efdda6.001.1",
         "sender": "w-nws.webmaster@noaa.gov"
       }
     ],
     "category": "weather",
     "title": "Severe Thunderstorm Warning issued October 21 at 4:48AM MST until October 21 at 5:00AM MST by NWS Flagstaff AZ",
     "eventType": "Severe Thunderstorm Warning",
     "occurredAt": "2026-10-21T11:48:00.000Z",
     "issuedAt": "2026-10-21T11:48:00.000Z",
     "timeBasis": "Bulletin issued",
     "effectiveAt": "2026-10-21T11:48:00.000Z",
     "onsetAt": "2026-10-21T11:48:00.000Z",
     "expiresAt": "2026-10-21T12:00:00.000Z",
     "forecastEndAt": "2026-10-21T12:00:00.000Z",
     "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 448 AM MST, a severe thunderstorm was located 8 miles north of\nPerkinsville, or 22 miles northeast of Chino Valley, moving northeast\nat 40 mph.\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...\nPaulden, Drake, Perkinsville and Sycamore Canyon Wilderness.\n\nThis includes State Route 89 between mile markers 341 and 354.",
     "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:2.49.0.1.840.0.3cce101aced6cdc98f97610be23f5fd169cd940f.001.1",
     "source": "nws",
     "sourceName": "NOAA NWS"
   }

   Visit the external source ↗

   The external page may have changed since this version was saved.