Alert archive / California / Flash Flood Warnings in 2010

Flash Flood Warning 8, NWS Los Angeles, CA

February 6, 2010Los Angeles County, California

NWS Los Angeles, CA issued this flash flood warning at Feb 6, 2010, 8:55 AM PST for Los Angeles County, California. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 6, 2010, 8:55 AM PST (16:55 UTC)
Expired: Feb 6, 2010, 1:15 PM PST
In force: 4 hr
Issued by: NWS Los Angeles, CA
Area: Storm-based polygon
Flood severity: None

County Los Angeles County, CA

The radar

The Santa Ana Mts radar (KSOX), 71 km from the middle of the area, began a volume at 16:59 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Los Angeles, CA wrote its last area forecast discussion before this flash flood warning went out at Feb 6, 4:15 AM PST, 4 hours 40 minutes earlier.

Area forecast discussion, Feb 6, 4:15 AM PST, 4 hours 40 minutes before

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In the hours before

Local storm report, Feb 6, 5:41 AM PST, 3 hours 14 minutes before

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<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Feb 6, 7:18 AM PST, 1 hour 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OXNARD CA
718 AM PST SAT FEB 06 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0345 AM     FLASH FLOOD      5 NW PASADENA           34.21N 118.20W
02/06/2010                   LOS ANGELES        CA   BROADCAST MEDIA

            MAJOR DEBRIS FLOW REPORTED NEAR CASTLE ROAD AT ESCALANTE
            DRIVE. HOME BURIED IN MUD UP TO THE WINDOWS...WITH 2
            PEOPLE TRAPPED INSIDE. NO INJURIES.

0345 AM     FLASH FLOOD      5 NW PASADENA           34.21N 118.20W
02/06/2010                   LOS ANGELES        CA   BROADCAST MEDIA

            MUD AND DEBRIS FLOW REPORTED AT OCEANVIEW BLVD AND
            FOOTHILL BLVD...APPROXIMATELY 2 MILES DOWN THE ROAD FROM
            THE STATION BURN AREA. REPORTS OF K-RAIL AND CARS MOVED
            DOWN ROAD BY DEBRIS FLOW...WITH KNEE-DEEP DEBRIS IN SOME
            PLACES.

&&

MEIER

The office that day

Everything else NWS Los Angeles, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 5, 8:48 PM PST	Small Craft Advisory for Hazardous Seas	LOX		24 hr
Feb 6, 1:47 AM PST	Areal Flood Advisory	LOX	Los Angeles	15 hr
Feb 6, 3:15 AM PST	Flash Flood Warning	LOX	Los Angeles	9 hr
Feb 6, 3:33 AM PST	Special Marine Warning	LOX		87 min
Feb 6, 4:01 AM PST	Flash Flood Warning	LOX	Los Angeles	119 min
Feb 6, 5:15 AM PST	Areal Flood Advisory	LOX	Los Angeles	6 hr
Feb 6, 7:38 AM PST	Special Marine Warning	LOX		52 min
Feb 6, 9:56 AM PST	Areal Flood Advisory	LOX	San Luis Obispo, Santa Barbara	109 min
Feb 6, 11:47 AM PST	Areal Flood Advisory	LOX	Santa Barbara	118 min
Feb 6, 12:05 PM PST	Flash Flood Warning	LOX	Los Angeles	36 min
Feb 6, 12:44 PM PST	Flash Flood Warning	LOX	Los Angeles	4 hr
Feb 6, 12:54 PM PST	Coastal Flood Statement	LOX		50 hr
Feb 6, 12:54 PM PST	High Surf Advisory	LOX		29 hr
Feb 6, 1:14 PM PST	Flash Flood Warning	LOX	Los Angeles	3 hr

Nearby

Flash Flood Warnings in California, 2010 Every flash flood warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.