Alert archive / California / Flash Flood Warnings in 2005

Flash Flood Warning 58, NWS Los Angeles, CA

October 17, 2005Los Angeles County, California

NWS Los Angeles, CA issued this flash flood warning at Oct 17, 2005, 4:11 AM PDT for Los Angeles County, California. It was in force for 3 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: Oct 17, 2005, 4:11 AM PDT (11:11 UTC)
Expired: Oct 17, 2005, 7:15 AM PDT
In force: 3 hr
Issued by: NWS Los Angeles, CA
Area: Counties, with a storm outline in the text

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 11:14 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 Oct 17, 4:00 AM PDT, 11 minutes earlier.

Area forecast discussion, Oct 17, 4:00 AM PDT, 11 minutes before

<!doctype html>
<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.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Hazardous weather outlook, Oct 16, 9:18 PM PDT, 6 hours 53 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
918 PM PDT SUN OCT 16 2005

CAZ034>041-044>047-051>054-059-087-088-171300-
SAN LUIS OBISPO COUNTY CENTRAL COAST-
SANTA BARBARA COUNTY CENTRAL COAST-SANTA YNEZ VALLEY-
SAN LUIS OBISPO COUNTY INTERIOR VALLEYS-CUYAMA VALLEY-
SANTA BARBARA COUNTY SOUTH COAST-VENTURA COUNTY COAST-
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
LOS ANGELES COUNTY VALLEYS-SAN LUIS OBISPO COUNTY MOUNTAINS-
SANTA BARBARA COUNTY MOUNTAINS-VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
ANTELOPE VALLEY-CATALINA ISLAND-SANTA CLARITA VALLEY-
918 PM PDT SUN OCT 16 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TONIGHT

A STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL CONTINUE TO SPIN
SOUTHWEST OF LOS ANGELES TONIGHT. RAINFALL ASSOCIATED WITH THIS
SYSTEM WILL REMAIN SOUTH OF LOS ANGELES OVERNIGHT AND AFFECT MAINLY
CATALINA ISLAND AND ADJACENT COASTAL WATERS...EXTENDING TO THE SOUTH
OF THE CHANNEL ISLANDS. EAST TO NORTHEAST WINDS WILL CONTINUE TO BE
LOCALLY STRONG IN THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES.

* WIND ADVISORY..............SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

* SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS *

.DAYS TWO THROUGH SEVEN...

THE STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE NORTHEAST AND
ACROSS EXTREME SOUTHERN CALIFORNIA MONDAY AND TUESDAY. LOCALLY
STRONG EAST WINDS WILL CONTINUE THROUGH THE MOUNTAINS OF VENTURA AND
LOS ANGELES COUNTIES THROUGH MONDAY MORNING. RAIN WILL INCREASE IN
COVERAGE AND INTENSITY OVER MAINLY SANTA BARBARA...VENTURA AND LOS
ANGELES COUNTIES DURING THE DAY MONDAY AND CONTINUE THROUGH MUCH OF
TUESDAY...THOUGH TAPER OFF WEST TO EAST LATE IN THE DAY AS THE UPPER
LEVEL SYSTEM MOVES AWAY. THUNDERSTORMS ARE POSSIBLE OVER THE AREA
DURING THIS PERIOD...AND LOCALLY HEAVY RAINFALL IS POSSIBLE. THE
NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THE POTENTIAL FOR
EXCESSIVE RAINFALL...ESPECIALLY ON THE RECENTLY BURNED AREAS. ANY
HEAVY RAIN OVER THE RECENTLY BURNED AREAS COULD LEAD TO DEBRIS
FLOWS...MUDSLIDES AND ROCKSLIDES.

* WIND ADVISORY..............SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

* SPECIAL WEATHER STATEMENT..SEE WWUS86 KLOX - SPSLOX FOR DETAILS *

* HYDROLOGIC OUTLOOK.........SEE FGUS76 KLOX - ESFLOX FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MOYER

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 16, 10:06 PM PDT	Marine Weather Statement	LOX		6 hr
Oct 17, 2:14 AM PDT	Flash Flood Warning	LOX	Los Angeles	2 hr
Oct 17, 2:23 AM PDT	Flash Flood Warning	LOX	Los Angeles, Ventura	2 hr
Oct 17, 9:07 AM PDT	Marine Weather Statement	LOX		32 hr
Oct 17, 1:27 PM PDT	Severe Thunderstorm Warning	LOX	Los Angeles	63 min
Oct 17, 2:05 PM PDT	Severe Thunderstorm Warning	LOX	Los Angeles	40 min
Oct 17, 2:24 PM PDT	Flash Flood Warning	LOX	Los Angeles	66 min
Oct 17, 3:15 PM PDT	Flash Flood Warning	LOX	Los Angeles	2 hr

Nearby

Flash Flood Warnings in California, 2005 Every flash flood warning in 2005

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.