Alert archive / California / Freeze Warnings in 2011

Freeze Warning 6, NWS Los Angeles, CA

December 4, 2011

NWS Los Angeles, CA issued this freeze warning at Dec 4, 2011, 9:40 PM PST. It took effect at Dec 5, 2011, 3:00 AM PST. It was in force for 6 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
Dec 4, 2011, 9:40 PM PST (05:40 UTC)
In effect from
Dec 5, 2011, 3:00 AM PST
Expired
Dec 5, 2011, 9:00 AM PST
In force
6 hr
Issued by
NWS Los Angeles, CA

What forecasters said that day

The local office's own words before this freeze 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 freeze warning went out at Dec 4, 8:46 PM PST, 54 minutes earlier.

Area forecast discussion, Dec 4, 8:46 PM PST, 54 minutes before
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Hazardous weather outlook, Dec 4, 8:55 AM PST, 12 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
855 AM PST SUN DEC 4 2011

CAZ034>041-044>046-051>054-059-087-088-547-548-051400-
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-
855 AM PST SUN DEC 4 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY

A RED FLAG WARNING IS IN EFFECT BEGINNING LATE TONIGHT FOR MUCH OF
LOS ANGELES AND VENTURA COUNTIES FOR GUSTY WINDS AND LOW
HUMIDITIES...WHICH WILL CAUSE ANOTHER INCREASE IN FIRE DANGER.

STRONG WINDS WILL REDEVELOP LATE TONIGHT IN THE MOUNTAINS AND MOST
VALLEY AREAS OF LOS ANGELES AND VENTURA COUNTIES...WITH DAMAGING
WINDS POSSIBLE.

AREAS OF FROST WILL DEVELOP ON THE CENTRAL COAST...THE SANTA YNEZ
VALLEY...THE SOUTH COAST OF SANTA BARBARA COUNTY...AND IN THE OJAI
VALLEY LATE TONIGHT.

* RED FLAG WARNING...........SEE WWUS86 KLOX - RFWLOX FOR DETAILS *

* HIGH WIND WATCH............SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

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

.DAYS TWO THROUGH SEVEN... MONDAY THROUGH SATURDAY

A RED FLAG WARNING IS IN EFFECT MONDAY THROUGH TUESDAY EVENING FOR
MUCH OF LOS ANGELES AND VENTURA COUNTIES FOR GUSTY WINDS AND LOW
HUMIDITIES...WHICH WILL CAUSE HIGH FIRE DANGER.

STRONG WINDS WILL CONTINUE IN THE MOUNTAINS AND MOST VALLEY AREAS
OF LOS ANGELES AND VENTURA COUNTIES MONDAY THROUGH TUESDAY...WITH
DAMAGING WINDS POSSIBLE.

GUSTY WINDS WILL ALSO AFFECT THE VENTURA COUNTY COASTAL PLAIN AND
THE LOS ANGELES COUNTY COAST BELOW PASSES AND CANYONS FROM MALIBU TO
HOLLYWOOD MONDAY THROUGH TUESDAY...INCLUDING THE ADJACENT COASTAL
WATERS.

THERE WILL BE AREAS OF FROST ON THE CENTRAL COAST...IN THE SANTA
YNEZ VALLEY...ON THE SOUTH COAST OF SANTA BARBARA COUNTY...AND IN
THE OJAI VALLEY THROUGH MID MORNING MONDAY...AND DURING THE LATE
NIGHT THROUGH MID MORNING HOURS THROUGH WEDNESDAY.

* HIGH WIND WATCH............SEE WWUS76 KLOX - NPWLOX FOR DETAILS *

* RED FLAG WARNING...........SEE WWUS86 KLOX - RFWLOX FOR DETAILS *

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

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

* GALE WATCH.................SEE WHUS76 KLOX - MWWLOX FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

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

WOFFORD/DB

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 5, 4:33 AM PSTFreeze WatchLOX11 hr
Dec 5, 8:37 AM PSTSmall Craft AdvisoryLOX30 hr
Dec 5, 3:30 PM PSTFrost AdvisoryLOX18 hr
Dec 5, 3:30 PM PSTFreeze WatchLOX23 hr
Dec 5, 3:30 PM PSTFreeze WarningLOX18 hr

Nearby

Freeze Warnings in California, 2011Every freeze warning in 2011

Sources

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