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Severe Thunderstorm Warning issued October 21 at 5:13PM MDT until October 21 at 5:30PM MDT by NWS Salt Lake City UT

Severe Thunderstorm Warning · Washington, UT. Severe; observed; urgency: immediate.

Bulletin issued
21 October 2026 at 23:13 UTC
First saved by us
21 October 2026 at 22:55 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 Salt Lake City UT · Washington, UT
Certainty / urgency
Observed / Immediate
Message expiry (not hazard end)
21 October 2026 at 23:30 UTC
Forecast onset / end
21 October 2026 at 23:13 UTC / 21 October 2026 at 23:30 UTC

Archived official description

At 513 PM MDT, severe thunderstorms were located along a line from 6 miles south of La Verkin to 6 miles northeast of Apple Valley, moving north at 50 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Zion National Park, La Verkin, Apple Valley, Toquerville, Virgin, Springdale, Rockville and Pintura. This includes Interstate 15 between mile markers 28 and 38.

Instructions in this archived message

Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing 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

  1. Saved by us

    Version 2

    Source status changed

    Title
    Before

    Severe Thunderstorm Warning issued October 21 at 4:54PM MDT until October 21 at 5:30PM MDT by NWS Salt Lake City UT

    After

    Severe Thunderstorm Warning issued October 21 at 5:13PM MDT until October 21 at 5:30PM MDT by NWS Salt Lake City UT

    Source updated
    Before

    21 October 2026 at 22:54 UTC

    After

    21 October 2026 at 23:13 UTC

    Effective from
    Before

    21 October 2026 at 22:54 UTC

    After

    21 October 2026 at 23:13 UTC

    Forecast onset
    Before

    21 October 2026 at 22:54 UTC

    After

    21 October 2026 at 23:13 UTC

    Message type
    Before

    Alert

    After

    Update

    Source status
    Before

    Source alert

    After

    Source update

    Official description
    Before

    SVRSLC The National Weather Service in Salt Lake City has issued a * Severe Thunderstorm Warning for... Southeastern Washington County in southwestern Utah... * Until 530 PM MDT. * At 454 PM MDT, severe thunderstorms were located along a line from 13 miles south of Apple Valley to 11 miles south of Apple Valley, moving north at 50 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Zion National Park, Hurricane, La Verkin, Apple Valley, Hildale, Toquerville, Virgin, Springdale, Rockville and Pintura. This includes Interstate 15 between mile markers 26 and 38.

    After

    At 513 PM MDT, severe thunderstorms were located along a line from 6 miles south of La Verkin to 6 miles northeast of Apple Valley, moving north at 50 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Zion National Park, La Verkin, Apple Valley, Toquerville, Virgin, Springdale, Rockville and Pintura. This includes Interstate 15 between mile markers 28 and 38.

    External source link
    Before

    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.2fdd5dd71792c30a08e08591684e1d4c19c89c24.001.1

    After

    https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fb1bb49f83182659d515b7ba233614712720fc34.001.1

    Bulletin issued: 21 October 2026 at 23:13 UTC

    View saved version 2

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

    {
      "id": "nws:fecf9bf5e945c6cf1787ba41",
      "authorityId": "urn:oid:2.49.0.1.840.0.fb1bb49f83182659d515b7ba233614712720fc34.001.1",
      "sender": "w-nws.webmaster@noaa.gov",
      "references": [
        {
          "identifier": "urn:oid:2.49.0.1.840.0.2fdd5dd71792c30a08e08591684e1d4c19c89c24.001.1",
          "sender": "w-nws.webmaster@noaa.gov"
        }
      ],
      "category": "weather",
      "title": "Severe Thunderstorm Warning issued October 21 at 5:13PM MDT until October 21 at 5:30PM MDT by NWS Salt Lake City UT",
      "eventType": "Severe Thunderstorm Warning",
      "occurredAt": "2026-10-21T23:13:00.000Z",
      "issuedAt": "2026-10-21T23:13:00.000Z",
      "timeBasis": "Bulletin issued",
      "effectiveAt": "2026-10-21T23:13:00.000Z",
      "onsetAt": "2026-10-21T23:13:00.000Z",
      "expiresAt": "2026-10-21T23:30:00.000Z",
      "forecastEndAt": "2026-10-21T23:30:00.000Z",
      "severity": "Severe",
      "urgency": "Immediate",
      "certainty": "Observed",
      "messageType": "Update",
      "status": "Source update",
      "place": "Washington, UT",
      "coordinates": null,
      "issuer": "NWS Salt Lake City UT",
      "summary": "Severe Thunderstorm Warning · Washington, UT. Severe; observed; urgency: immediate.",
      "description": "At 513 PM MDT, severe thunderstorms were located along a line from 6\nmiles south of La Verkin to 6 miles northeast of Apple Valley, moving\nnorth at 50 mph.\n\nHAZARD...Half dollar size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Damage to vehicles is expected.\n\nLocations impacted include...\nZion National Park, La Verkin, Apple Valley, Toquerville, Virgin,\nSpringdale, Rockville and Pintura.\n\nThis includes Interstate 15 between mile markers 28 and 38.",
      "instruction": "Seek shelter inside a well-built structure and stay away from\nwindows. These storms are capable of producing large hail.",
      "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.fb1bb49f83182659d515b7ba233614712720fc34.001.1",
      "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 22:55 UTC
  1. Saved by us

    Starting point

    First saved record

    Our first saved version of Severe Thunderstorm Warning issued October 21 at 4:54PM MDT until October 21 at 5:30PM MDT by NWS Salt Lake City UT. We have no earlier saved version to compare.

    Bulletin issued: 21 October 2026 at 22:54 UTC

    View saved version 1

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

    {
      "id": "nws:9e0b0f07f415303fe5cc90b5",
      "authorityId": "urn:oid:2.49.0.1.840.0.2fdd5dd71792c30a08e08591684e1d4c19c89c24.001.1",
      "sender": "w-nws.webmaster@noaa.gov",
      "references": [],
      "category": "weather",
      "title": "Severe Thunderstorm Warning issued October 21 at 4:54PM MDT until October 21 at 5:30PM MDT by NWS Salt Lake City UT",
      "eventType": "Severe Thunderstorm Warning",
      "occurredAt": "2026-10-21T22:54:00.000Z",
      "issuedAt": "2026-10-21T22:54:00.000Z",
      "timeBasis": "Bulletin issued",
      "effectiveAt": "2026-10-21T22:54:00.000Z",
      "onsetAt": "2026-10-21T22:54:00.000Z",
      "expiresAt": "2026-10-21T23:30:00.000Z",
      "forecastEndAt": "2026-10-21T23:30:00.000Z",
      "severity": "Severe",
      "urgency": "Immediate",
      "certainty": "Observed",
      "messageType": "Alert",
      "status": "Source alert",
      "place": "Washington, UT",
      "coordinates": null,
      "issuer": "NWS Salt Lake City UT",
      "summary": "Severe Thunderstorm Warning · Washington, UT. Severe; observed; urgency: immediate.",
      "description": "SVRSLC\n\nThe National Weather Service in Salt Lake City has issued a\n\n* Severe Thunderstorm Warning for...\nSoutheastern Washington County in southwestern Utah...\n\n* Until 530 PM MDT.\n\n* At 454 PM MDT, severe thunderstorms were located along a line from\n13 miles south of Apple Valley to 11 miles south of Apple Valley,\nmoving north at 50 mph.\n\nHAZARD...Half dollar size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Damage to vehicles is expected.\n\n* Locations impacted include...\nZion National Park, Hurricane, La Verkin, Apple Valley, Hildale,\nToquerville, Virgin, Springdale, Rockville and Pintura.\n\nThis includes Interstate 15 between mile markers 26 and 38.",
      "instruction": "Seek shelter inside a well-built structure and stay away from\nwindows. These storms are capable of producing large hail.",
      "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.2fdd5dd71792c30a08e08591684e1d4c19c89c24.001.1",
      "source": "nws",
      "sourceName": "NOAA NWS"
    }
    Visit the external source ↗

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