Alert archive / California / Flash Flood Watches in 2015

Flash Flood Watch 7, NWS Los Angeles, CA

October 15, 2015

NWS Los Angeles, CA issued this flash flood watch at Oct 15, 2015, 9:30 PM PDT. It took effect at Oct 16, 2015, 12:00 PM PDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Oct 15, 2015, 9:30 PM PDT (04:30 UTC)
In effect from: Oct 16, 2015, 12:00 PM PDT
Expired: Oct 16, 2015, 8:00 PM PDT
In force: 8 hr
Issued by: NWS Los Angeles, CA
Flood severity: None

What forecasters said that day

The local office's own words before this flash flood watch 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 watch went out at Oct 15, 8:40 PM PDT, 50 minutes earlier.

Area forecast discussion, Oct 15, 8:40 PM PDT, 50 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 15, 6:00 AM PDT, 15 hours 30 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
600 AM PDT THU OCT 15 2015

CAZ034>041-044>046-051>054-059-087-088-547-548-161300-
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-
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-
LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
600 AM PDT THU OCT 15 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY

A CHANCE OF SHOWERS AND THUNDERSTORMS WILL BRING THE POTENTIAL FOR
HAZARDOUS SEA AND DRIVING CONDITIONS OVER THE AREA TODAY.

* MARINE WEATHER STATEMENT...SEE FZUS76 KLOX - MWSLOX FOR DETAILS *

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

.DAYS TWO THROUGH SEVEN... FRIDAY THROUGH WEDNESDAY

A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS WITH WEAKER WINDS ALOFT
WILL BRING HAZARDOUS DRIVING CONDITIONS OVER INTERIOR SECTIONS WITH
A SMALL POSSIBILITY FLASH FLOODING.

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

.SPOTTER INFORMATION STATEMENT...

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

KITTELL

In the hours before

Local storm report, Oct 15, 4:22 PM PDT, 5 hours 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OXNARD CA
422 PM PDT THU OCT 15 2015

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

0358 PM     FLASH FLOOD      16 WNW LANCASTER        34.78N 118.43W
10/15/2015                   LOS ANGELES        CA   LAW ENFORCEMENT

            RESCUE IN PROGRESS NEAR HIGHWAY 138 AND 170TH ST DUE TO
            VEHICLES STUCK IN FLOODING AND MUD FLOWS. CHP REPORTS
            HEAVY FLOODING AND WATER RUSHING THROUGH THE AREA.

&&

HALL

Local storm report, Oct 15, 4:25 PM PDT, 5 hours 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OXNARD CA
425 PM PDT THU OCT 15 2015

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

0403 PM     FLASH FLOOD      8 SW LANCASTER          34.61N 118.27W
10/15/2015                   LOS ANGELES        CA   LAW ENFORCEMENT

            CHP SHUTTING DOWN ELIZABETH LAKE ROAD AND BOUQUET CANYON
            RD. ROADS ARE IMPASSABLE WEST FROM JOHNSON HILL.

&&

HALL

Local storm report, Oct 15, 5:10 PM PDT, 4 hours 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OXNARD CA
510 PM PDT THU OCT 15 2015

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

0403 PM     FLASH FLOOD      4 NNE VAL VERDE         34.50N 118.62W
10/15/2015                   LOS ANGELES        CA   LAW ENFORCEMENT

            LAKE HUGHES ROAD CLOSED AT CASTAIC ROAD.

&&

HALL

Local storm report, Oct 15, 5:12 PM PDT, 4 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OXNARD CA
512 PM PDT THU OCT 15 2015

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

0452 PM     HAIL             5 W PALMDALE            34.59N 118.17W
10/15/2015  E1.00 INCH       LOS ANGELES        CA   NWS EMPLOYEE

            QUARTER SIZE HAIL AT W AVENUE P IN PALMDALE.

&&

HALL

Local storm report, Oct 15, 5:15 PM PDT, 4 hours 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OXNARD CA
515 PM PDT THU OCT 15 2015

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

0450 PM     FUNNEL CLOUD     5 SSW LANCASTER         34.62N 118.20W
10/15/2015                   LOS ANGELES        CA   TRAINED SPOTTER

            FUNNEL CLOUD OBSERVED NEAR RANCHO VISTA IN WEST PALMDALE.

&&

HALL

Local storm report, Oct 15, 9:19 PM 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>

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 15, 5:19 PM PDT	Flash Flood Warning	LOX	Los Angeles	3 hr
Oct 15, 5:29 PM PDT	Severe Thunderstorm Warning	LOX	Los Angeles	73 min
Oct 15, 6:40 PM PDT	Flash Flood Warning	LOX	Los Angeles, Ventura	2 hr
Oct 15, 7:16 PM PDT	Flash Flood Warning	LOX	San Luis Obispo	3 hr
Oct 16, 8:51 AM PDT	Small Craft Advisory	LOX		12 hr
Oct 16, 1:44 PM PDT	Areal Flood Advisory	LOX	San Luis Obispo, Santa Barbara, Ventura	3 hr
Oct 16, 2:26 PM PDT	Flash Flood Warning	LOX	Santa Barbara, Ventura	3 hr
Oct 16, 3:56 PM PDT	Flash Flood Warning	LOX	San Luis Obispo, Santa Barbara	3 hr

Nearby

Flash Flood Watches in California, 2015 Every flash flood watch in 2015

Sources

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