NOAA NWS / Event history

Severe Thunderstorm Warning issued October 22 at 10:34AM PDT until October 22 at 10:45AM PDT by NWS Los Angeles/Oxnard CA

Severe Thunderstorm Warning · Los Angeles, CA. Severe; observed; urgency: immediate.

See what changed ↓Detailed event record ↗

Bulletin issued: 22 October 2026 at 17:34 UTC
First saved by us: 22 October 2026 at 17:12 UTC
Last included in a daily record: 22 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 Los Angeles/Oxnard CA · Los Angeles, CA
Certainty / urgency: Observed / Immediate
Message expiry (not hazard end): 22 October 2026 at 17:45 UTC
Forecast onset / end: 22 October 2026 at 17:34 UTC / 22 October 2026 at 17:45 UTC

Archived official description

At 1033 AM PDT, a severe thunderstorm was located near Alhambra, moving north at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... El Monte... Montebello... Pico Rivera... and Temple City.

Instructions in this archived message

Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

The saved record

What changed

2 updates · 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 2 changes

Saved by us

22 October 2026 at 17:42 UTC

Version 3

6 recorded details changed

Title: Before
Severe Thunderstorm Warning issued October 22 at 10:26AM PDT until October 22 at 10:45AM PDT by NWS Los Angeles/Oxnard CA
After
Severe Thunderstorm Warning issued October 22 at 10:34AM PDT until October 22 at 10:45AM PDT by NWS Los Angeles/Oxnard CA
Source updated: Before
22 October 2026 at 17:26 UTC
After
22 October 2026 at 17:34 UTC
Effective from: Before
22 October 2026 at 17:26 UTC
After
22 October 2026 at 17:34 UTC
Forecast onset: Before
22 October 2026 at 17:26 UTC
After
22 October 2026 at 17:34 UTC
Official description: Before
At 1025 AM PDT, a severe thunderstorm was located near Whittier, moving northeast at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... El Monte... San Gabriel... Montebello... Pico Rivera... and Temple City.
After
At 1033 AM PDT, a severe thunderstorm was located near Alhambra, moving north at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... El Monte... Montebello... Pico Rivera... and Temple City.
External source link: Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6ad16f23dfb1ec9461a00ac2d8de9232c028b632.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d436d30b8ece2b332637c372c85e1866d2bc0808.001.1

Bulletin issued: 22 October 2026 at 17:34 UTC

View saved version 3

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

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  "id": "nws:ea713d6607087143a602a369",
  "authorityId": "urn:oid:2.49.0.1.840.0.d436d30b8ece2b332637c372c85e1866d2bc0808.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
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      "sender": "w-nws.webmaster@noaa.gov"
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  ],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 10:34AM PDT until October 22 at 10:45AM PDT by NWS Los Angeles/Oxnard CA",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T17:34:00.000Z",
  "issuedAt": "2026-10-22T17:34:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T17:34:00.000Z",
  "onsetAt": "2026-10-22T17:34:00.000Z",
  "expiresAt": "2026-10-22T17:45:00.000Z",
  "forecastEndAt": "2026-10-22T17:45:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Update",
  "status": "Source update",
  "place": "Los Angeles, CA",
  "coordinates": null,
  "issuer": "NWS Los Angeles/Oxnard CA",
  "summary": "Severe Thunderstorm Warning · Los Angeles, CA. Severe; observed; urgency: immediate.",
  "description": "At 1033 AM PDT, a severe thunderstorm was located near Alhambra,\nmoving north at 25 mph.\n\nHAZARD...60 mph wind gusts and quarter size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Hail damage to vehicles is expected. Expect wind damage to\nroofs, siding, and trees.\n\nLocations impacted include...\nEl Monte...\nMontebello...\nPico Rivera...\nand Temple City.",
  "instruction": "Remain alert for a possible tornado! Tornadoes can develop quickly\nfrom severe thunderstorms. If you spot a tornado go at once into the\nbasement or small central room in a sturdy structure.\n\nFor your protection move to an interior room on the lowest floor of a\nbuilding.\n\nTorrential rainfall is occurring with this storm, and may lead to\nflash flooding. Do not drive your vehicle through flooded roadways.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.d436d30b8ece2b332637c372c85e1866d2bc0808.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

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

Saved by us

22 October 2026 at 17:27 UTC

Version 2

6 recorded details changed

Title: Before
Severe Thunderstorm Warning issued October 22 at 10:11AM PDT until October 22 at 10:45AM PDT by NWS Los Angeles/Oxnard CA
After
Severe Thunderstorm Warning issued October 22 at 10:26AM PDT until October 22 at 10:45AM PDT by NWS Los Angeles/Oxnard CA
Source updated: Before
22 October 2026 at 17:11 UTC
After
22 October 2026 at 17:26 UTC
Effective from: Before
22 October 2026 at 17:11 UTC
After
22 October 2026 at 17:26 UTC
Forecast onset: Before
22 October 2026 at 17:11 UTC
After
22 October 2026 at 17:26 UTC
Official description: Before
At 1010 AM PDT, a severe thunderstorm was located near Alhambra, moving northeast at 15 mph. HAZARD...60 mph wind gusts. There is a small chance for a brief, weak tornado. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Alhambra... San Gabriel... Commerce... Montebello... Monterey Park... Pico Rivera... El Monte... Downey... Temple City... Bell Gardens... and East Los Angeles.
After
At 1025 AM PDT, a severe thunderstorm was located near Whittier, moving northeast at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... El Monte... San Gabriel... Montebello... Pico Rivera... and Temple City.
External source link: Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.59d0e7c6e80c1dede5c0c162ecfce2fea01c2b14.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6ad16f23dfb1ec9461a00ac2d8de9232c028b632.001.1

Bulletin issued: 22 October 2026 at 17:26 UTC

View saved version 2

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

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  "authorityId": "urn:oid:2.49.0.1.840.0.6ad16f23dfb1ec9461a00ac2d8de9232c028b632.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
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  ],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 10:26AM PDT until October 22 at 10:45AM PDT by NWS Los Angeles/Oxnard CA",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T17:26:00.000Z",
  "issuedAt": "2026-10-22T17:26:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T17:26:00.000Z",
  "onsetAt": "2026-10-22T17:26:00.000Z",
  "expiresAt": "2026-10-22T17:45:00.000Z",
  "forecastEndAt": "2026-10-22T17:45:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Update",
  "status": "Source update",
  "place": "Los Angeles, CA",
  "coordinates": null,
  "issuer": "NWS Los Angeles/Oxnard CA",
  "summary": "Severe Thunderstorm Warning · Los Angeles, CA. Severe; observed; urgency: immediate.",
  "description": "At 1025 AM PDT, a severe thunderstorm was located near Whittier,\nmoving northeast at 15 mph.\n\nHAZARD...60 mph wind gusts and penny size hail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Expect damage to roofs, siding, and trees.\n\nLocations impacted include...\nEl Monte...\nSan Gabriel...\nMontebello...\nPico Rivera...\nand Temple City.",
  "instruction": "Remain alert for a possible tornado! Tornadoes can develop quickly\nfrom severe thunderstorms. If you spot a tornado go at once into the\nbasement or small central room in a sturdy structure.\n\nFor your protection move to an interior room on the lowest floor of a\nbuilding.\n\nTorrential rainfall is occurring with this storm, and may lead to\nflash flooding. Do not drive your vehicle through flooded roadways.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6ad16f23dfb1ec9461a00ac2d8de9232c028b632.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

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

First saved record · 22 October 2026 at 17:12 UTC

Saved by us

22 October 2026 at 17:12 UTC

Starting point

First saved record

Our first saved version of Severe Thunderstorm Warning issued October 22 at 10:11AM PDT until October 22 at 10:45AM PDT by NWS Los Angeles/Oxnard CA. We have no earlier saved version to compare.

Bulletin issued: 22 October 2026 at 17:11 UTC

View saved version 1

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

{
  "id": "nws:5751bacc8abc993100e13e1f",
  "authorityId": "urn:oid:2.49.0.1.840.0.59d0e7c6e80c1dede5c0c162ecfce2fea01c2b14.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
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      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Severe Thunderstorm Warning issued October 22 at 10:11AM PDT until October 22 at 10:45AM PDT by NWS Los Angeles/Oxnard CA",
  "eventType": "Severe Thunderstorm Warning",
  "occurredAt": "2026-10-22T17:11:00.000Z",
  "issuedAt": "2026-10-22T17:11:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-22T17:11:00.000Z",
  "onsetAt": "2026-10-22T17:11:00.000Z",
  "expiresAt": "2026-10-22T17:45:00.000Z",
  "forecastEndAt": "2026-10-22T17:45:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Observed",
  "messageType": "Update",
  "status": "Source update",
  "place": "Los Angeles, CA",
  "coordinates": null,
  "issuer": "NWS Los Angeles/Oxnard CA",
  "summary": "Severe Thunderstorm Warning · Los Angeles, CA. Severe; observed; urgency: immediate.",
  "description": "At 1010 AM PDT, a severe thunderstorm was located near Alhambra,\nmoving northeast at 15 mph.\n\nHAZARD...60 mph wind gusts. There is a small chance for a brief,\nweak tornado.\n\nSOURCE...Radar indicated.\n\nIMPACT...Expect damage to roofs, siding, and trees.\n\nLocations impacted include...\nAlhambra...\nSan Gabriel...\nCommerce...\nMontebello...\nMonterey Park...\nPico Rivera...\nEl Monte...\nDowney...\nTemple City...\nBell Gardens...\nand East Los Angeles.",
  "instruction": "Remain alert for a possible tornado! Tornadoes can develop quickly\nfrom severe thunderstorms. If you spot a tornado go at once into the\nbasement or small central room in a sturdy structure.\n\nFor your protection move to an interior room on the lowest floor of a\nbuilding.\n\nTorrential rainfall is occurring with this storm, and may lead to\nflash flooding. Do not drive your vehicle through flooded roadways.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.59d0e7c6e80c1dede5c0c162ecfce2fea01c2b14.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

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