Alert archive / California / Flash Flood Watches in 2007

Flash Flood Watch 5, NWS Los Angeles, CA

September 1, 2007

NWS Los Angeles, CA issued this flash flood watch at Sep 1, 2007, 11:12 AM PDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Sep 1, 2007, 11:12 AM PDT (18:12 UTC)
Expired
Sep 1, 2007, 7:47 PM PDT
In force
9 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 Sep 1, 4:33 AM PDT, 6 hours 39 minutes earlier.

Area forecast discussion, Sep 1, 4:33 AM PDT, 6 hours 39 minutes before
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Hazardous weather outlook, Sep 1, 8:58 AM PDT, 2 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
858 AM PDT SAT SEP 1 2007

CAZ034>041-044>047-051>054-059-087-088-021300-
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-
910 AM PDT SAT SEP 1 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY

EXCESSIVE HEAT WILL PERSIST ACROSS THE VALLEYS AND MOUNTAINS OF
LOSANGELES AND VENTURA COUNTIES...AS WELL AS THE INTERIOR VALLEYS OF
SAN LUIS OBISPO COUNTY. THE HEAT INDEX WILL RANGE FROM 105 TO 113
DEGREES IN THE VALLEYS AND RANGE BETWEEN 100 AND 106 DEGREES IN THE
MOUNTAINS. STRONG RIP CURRENTS WILL LIKELY DEVELOP ALONG EXPOSED
SOUTH FACING SHORES AS BREAKERS BUILD TO 5 FEET. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS WILL PERSIST THIS AFTERNOON AND EVENING
ACROSS THE MOUNTAINS OF LOS ANGELES AND VENTURA COUNTIES AND THE
ANTELOPE VALLEY.

* EXCESSIVE HEAT WARNING.....SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

* HIGH RIP CURRENT RISK......SEE FZUS56 KLOX - SRFLOX FOR DETAILS *

.DAYS TWO THROUGH SEVEN... SUNDAY THROUGH FRIDAY

EXCESSIVE HEAT MAY PERSIST ACROSS THE VALLEYS AND MOUNTAINS OF
LOSANGELES AND VENTURA COUNTIES...AS WELL AS THE INTERIOR VALLEYS OF
SAN LUIS OBISPO COUNTY SUNDAY THROUGH MONDAY. WHILE THE SOUTH SWELL
GRADUALLY SUBSIDES STRONG RIP CURRENTS MAY PERSIST ALONG EXPOSED
SOUTH FACING SHORES ON SUNDAY. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS WILL BE POSSIBLE ACROSS LOS ANGELES AND VENTURA
COUNTIES ON SUNDAY AND SUNDAY NIGHT...WITH ANOTHER SLIGHT CHANCE FOR
THE MOUNTAINS OF LOS ANGELES...VENTURA AND SANTA BARBARA COUNTY
MOUNTAINS AND THE ANTELOPE VALLEY THROUGH MONDAY. OTHERWISE NO
HAZARDOUS WEATHER IS LIKELY TUESDAY THROUGH FRIDAY. NO HAZARDOUS
WEATHER IS EXPECTED AT THIS TIME.

* EXCESSIVE HEAT WARNING.....SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

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

KAPLAN

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 2:53 PM PDTFlash Flood WarningLOXLos Angeles2 hr
Sep 1, 3:46 PM PDTSevere Thunderstorm WarningLOXLos Angeles59 min
Sep 1, 4:31 PM PDTTornado WarningLOXLos Angeles29 min
Sep 1, 4:54 PM PDTFlash Flood WarningLOXLos Angeles2 hr

Nearby

Flash Flood Watches in California, 2007Every flash flood watch in 2007

Sources

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