Severe Thunderstorm Warning issued October 22 at 10:42AM PDT until October 22 at 11:15AM PDT by NWS Los Angeles/Oxnard CA

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   22 October 2026 at 17:42 UTC

   Version 2

   Source status changed

   Title

   Before

   Severe Thunderstorm Warning issued October 22 at 10:20AM PDT until October 22 at 11:15AM PDT by NWS Los Angeles/Oxnard CA

   After

   Severe Thunderstorm Warning issued October 22 at 10:42AM PDT until October 22 at 11:15AM PDT by NWS Los Angeles/Oxnard CA

   Source updated

   Before

   22 October 2026 at 17:20 UTC

   After

   22 October 2026 at 17:42 UTC

   Effective from

   Before

   22 October 2026 at 17:20 UTC

   After

   22 October 2026 at 17:42 UTC

   Forecast onset

   Before

   22 October 2026 at 17:20 UTC

   After

   22 October 2026 at 17:42 UTC

   Message type

   Before

   Alert

   After

   Update

   Source status

   Before

   Source alert

   After

   Source update

   Official description

   Before

   SVRLOX The National Weather Service in OXNARD has issued a * Severe Thunderstorm Warning for... Southeastern Los Angeles County in southwestern California... * Until 1115 AM PDT. * At 1019 AM PDT, a severe thunderstorm was located near Whittier, moving northeast at 5 mph. HAZARD...60 mph wind gusts and penny size hail. A brief, weak tornado is possible. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Whittier... Pico Rivera... El Monte... Hacienda Heights... Montebello... Baldwin Park... Santa Fe Springs... La Puente... Temple City... and Irwindale.

   After

   At 1041 AM PDT, a severe thunderstorm was located near West Covina, moving northeast at 20 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... Baldwin Park... Temple City... La Puente... and Irwindale.

   Official instructions

   Before

   …all central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.

   After

   …all 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.

   External source link

   Before

   https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.b75833ff1b86cf08abe76f96b61a131384bff766.001.1

   After

   https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.02bd3652d64815c40654b3cc2b791971857ba6c3.001.1

   Bulletin issued: 22 October 2026 at 17:42 UTC

   View saved version 2

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

   {
     "id": "nws:eece5ec233cb957393c60774",
     "authorityId": "urn:oid:2.49.0.1.840.0.02bd3652d64815c40654b3cc2b791971857ba6c3.001.1",
     "sender": "w-nws.webmaster@noaa.gov",
     "references": [
       {
         "identifier": "urn:oid:2.49.0.1.840.0.b75833ff1b86cf08abe76f96b61a131384bff766.001.1",
         "sender": "w-nws.webmaster@noaa.gov"
       },
       {
         "identifier": "urn:oid:2.49.0.1.840.0.a8822a501728e033badd2b3c8a974110a64bd43e.001.1",
         "sender": "w-nws.webmaster@noaa.gov"
       }
     ],
     "category": "weather",
     "title": "Severe Thunderstorm Warning issued October 22 at 10:42AM PDT until October 22 at 11:15AM PDT by NWS Los Angeles/Oxnard CA",
     "eventType": "Severe Thunderstorm Warning",
     "occurredAt": "2026-10-22T17:42:00.000Z",
     "issuedAt": "2026-10-22T17:42:00.000Z",
     "timeBasis": "Bulletin issued",
     "effectiveAt": "2026-10-22T17:42:00.000Z",
     "onsetAt": "2026-10-22T17:42:00.000Z",
     "expiresAt": "2026-10-22T18:15:00.000Z",
     "forecastEndAt": "2026-10-22T18:15:00.000Z",
     "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 1041 AM PDT, a severe thunderstorm was located near West Covina,\nmoving northeast at 20 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...\nBaldwin Park...\nTemple City...\nLa Puente...\nand Irwindale.",
     "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:2.49.0.1.840.0.02bd3652d64815c40654b3cc2b791971857ba6c3.001.1",
     "source": "nws",
     "sourceName": "NOAA NWS"
   }

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