NOAA NWS / Event history

Severe Thunderstorm Warning issued October 21 at 1:28AM MST until October 21 at 1:45AM MST by NWS Flagstaff AZ

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

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Bulletin issued: 21 October 2026 at 08:28 UTC
First saved by us: 21 October 2026 at 08:25 UTC
Last included in a daily record: 21 October 2026
The linked daily edition preserves what we captured that UTC day; this event page is not a live warning.
Source classification: Severe · Source update

A recent feed check does not mean a new observation. This page preserves source records; it does not establish current safety or warning status.

Issuer / area: NWS Flagstaff AZ · Yavapai, AZ
Certainty / urgency: Observed / Immediate
Message expiry (not hazard end): 21 October 2026 at 08:45 UTC
Forecast onset / end: 21 October 2026 at 08:28 UTC / 21 October 2026 at 08:45 UTC

Archived official description

At 128 AM MST, a severe thunderstorm was located 6 miles west of Strawberry, or 17 miles southeast of Camp Verde, moving northeast at 35 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... Indian Maiden Falls, West Clear Creek Wilderness, The Toilet Bowl and Fossil Springs Wilderness. This includes State Route 260 between mile markers 235 and 242. This includes the following swimming holes... All swimming holes and waterfalls on Fossil Creek and Indian Maiden Falls.

Instructions in this archived message

Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

The saved record

What changed

1 update · 1 first record

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

Saved by us
21 October 2026 at 08:40 UTC
Version 2
Source status changed
Title
Before
Severe Thunderstorm Warning issued October 21 at 1:13AM MST until October 21 at 1:45AM MST by NWS Flagstaff AZ
After
Severe Thunderstorm Warning issued October 21 at 1:28AM MST until October 21 at 1:45AM MST by NWS Flagstaff AZ
Source updated
Before
21 October 2026 at 08:13 UTC
After
21 October 2026 at 08:28 UTC
Effective from
Before
21 October 2026 at 08:13 UTC
After
21 October 2026 at 08:28 UTC
Forecast onset
Before
21 October 2026 at 08:13 UTC
After
21 October 2026 at 08:28 UTC
Message type
Before
Alert
After
Update
Source status
Before
Source alert
After
Source update
Reported area
Before
Gila, AZ; Yavapai, AZ
After
Yavapai, AZ
Source summary
Before
Severe Thunderstorm Warning · ~~Gila, AZ;~~ Yavapai, AZ. Severe; observed; urgency: immediate.
After
Severe Thunderstorm Warning · Yavapai, AZ. Severe; observed; urgency: immediate.
Official description
Before
SVRFGZ The National Weather Service in Flagstaff has issued a * Severe Thunderstorm Warning for... Gila County in east central Arizona... Yavapai County in west central Arizona... * Until 145 AM MST. * At 113 AM MST, a severe thunderstorm was located over Childs Power Plant, or 19 miles southeast of Camp Verde, moving northeast at 35 mph. HAZARD...Tennis 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... Strawberry, Childs Power Plant, The Toilet Bowl, Fossil Springs Wilderness, Indian Maiden Falls and West Clear Creek Wilderness. This includes the following highways... State Route 260 between mile markers 232 and 242. State Route 87 near mile marker 272. This includes the following swimming holes... All swimming holes and waterfalls on Fossil Creek, Fossil Creek Dam "The Toilet Bowl" and Indian Maiden Falls.
After
At 128 AM MST, a severe thunderstorm was located 6 miles west of Strawberry, or 17 miles southeast of Camp Verde, moving northeast at 35 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... Indian Maiden Falls, West Clear Creek Wilderness, The Toilet Bowl and Fossil Springs Wilderness. This includes State Route 260 between mile markers 235 and 242. This includes the following swimming holes... All swimming holes and waterfalls on Fossil Creek and Indian Maiden Falls.
Official instructions
Before
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. This storm is capable of producing all types of severe weather including extremely large hail, destructive straight line winds, and tornadoes. Move quickly to a safe shelter such as an interior room, a bathroom, closet or basement.
After
Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.
External source link
Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.29f3a3577a4679db2fbaac2ed0ae85bf2c4792ca.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ce2893f8238a8aca9d4c2c33a0ff14501de826eb.002.1
Bulletin issued: 21 October 2026 at 08:28 UTC
View saved version 2
Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.
{ "id": "nws:ba6968cba53cfd807effc35c", "authorityId": "urn:oid:2.49.0.1.840.0.ce2893f8238a8aca9d4c2c33a0ff14501de826eb.002.1", "sender": "w-nws.webmaster@noaa.gov", "references": [ { "identifier": "urn:oid:2.49.0.1.840.0.29f3a3577a4679db2fbaac2ed0ae85bf2c4792ca.001.1", "sender": "w-nws.webmaster@noaa.gov" } ], "category": "weather", "title": "Severe Thunderstorm Warning issued October 21 at 1:28AM MST until October 21 at 1:45AM MST by NWS Flagstaff AZ", "eventType": "Severe Thunderstorm Warning", "occurredAt": "2026-10-21T08:28:00.000Z", "issuedAt": "2026-10-21T08:28:00.000Z", "timeBasis": "Bulletin issued", "effectiveAt": "2026-10-21T08:28:00.000Z", "onsetAt": "2026-10-21T08:28:00.000Z", "expiresAt": "2026-10-21T08:45:00.000Z", "forecastEndAt": "2026-10-21T08:45:00.000Z", "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 128 AM MST, a severe thunderstorm was located 6 miles west of\nStrawberry, or 17 miles southeast of Camp Verde, moving northeast at\n35 mph.\n\nHAZARD...Ping pong ball size 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...\nIndian Maiden Falls, West Clear Creek Wilderness, The Toilet Bowl\nand Fossil Springs Wilderness.\n\nThis includes State Route 260 between mile markers 235 and 242.\n\nThis includes the following swimming holes...\nAll swimming holes and waterfalls on Fossil Creek and Indian Maiden\nFalls.", "instruction": "Seek shelter inside a well-built structure and stay away from\nwindows. This storm is capable of producing damaging winds and large\nhail.", "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ce2893f8238a8aca9d4c2c33a0ff14501de826eb.002.1", "source": "nws", "sourceName": "NOAA NWS" }
Visit the external source ↗
The external page may have changed since this version was saved.

First saved record · 21 October 2026 at 08:25 UTC

Saved by us

21 October 2026 at 08:25 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 21 at 1:13AM MST until October 21 at 1:45AM MST by NWS Flagstaff AZ. We have no earlier saved version to compare.

Bulletin issued: 21 October 2026 at 08:13 UTC

View saved version 1

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

{
  "id": "nws:a7d4cb80c22c339ce8435c48",
  "authorityId": "urn:oid:2.49.0.1.840.0.29f3a3577a4679db2fbaac2ed0ae85bf2c4792ca.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 21 at 1:13AM MST until October 21 at 1:45AM MST by NWS Flagstaff AZ",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-21T08:13:00.000Z",
  "issuedAt": "2026-10-21T08:13:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-21T08:13:00.000Z",
  "onsetAt": "2026-10-21T08:13:00.000Z",
  "expiresAt": "2026-10-21T08:45:00.000Z",
  "forecastEndAt": "2026-10-21T08:45:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Gila, AZ; Yavapai, AZ",
  "coordinates": null,
  "issuer": "NWS Flagstaff AZ",
  "summary": "Severe Thunderstorm Warning · Gila, AZ; Yavapai, AZ. Severe; observed; urgency: immediate.",
  "description": "SVRFGZ\n\nThe National Weather Service in Flagstaff has issued a\n\n* Severe Thunderstorm Warning for...\nGila County in east central Arizona...\nYavapai County in west central Arizona...\n\n* Until 145 AM MST.\n\n* At 113 AM MST, a severe thunderstorm was located over Childs Power\nPlant, or 19 miles southeast of Camp Verde, moving northeast at 35\nmph.\n\nHAZARD...Tennis ball size 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\nwind damage to roofs, siding, and trees.\n\n* Locations impacted include...\nStrawberry, Childs Power Plant, The Toilet Bowl, Fossil Springs\nWilderness, Indian Maiden Falls and West Clear Creek Wilderness.\n\nThis includes the following highways...\nState Route 260 between mile markers 232 and 242. State Route 87 near\nmile marker 272.\n\nThis includes the following swimming holes...\nAll swimming holes and waterfalls on Fossil Creek, Fossil Creek Dam\n\"The Toilet Bowl\" and Indian Maiden 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.\n\nThis storm is capable of producing all types of severe weather\nincluding extremely large hail, destructive straight line winds, and\ntornadoes. Move quickly to a safe shelter such as an interior room, a\nbathroom, closet or basement.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.29f3a3577a4679db2fbaac2ed0ae85bf2c4792ca.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

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