Alert archive / California / Freeze Warnings in 2007

Freeze Warning 4, NWS Los Angeles, CA

November 22, 2007

NWS Los Angeles, CA issued this freeze warning at Nov 22, 2007, 3:14 PM PST. It took effect at Nov 22, 2007, 9:00 PM PST. It was in force for 12 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
Nov 22, 2007, 3:14 PM PST (23:14 UTC)
In effect from
Nov 22, 2007, 9:00 PM PST
Expired
Nov 23, 2007, 9:00 AM PST
In force
12 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 Nov 22, 3:00 PM PST, 14 minutes earlier.

Area forecast discussion, Nov 22, 3:00 PM PST, 14 minutes before
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Hazardous weather outlook, Nov 22, 9:16 AM PST, 5 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
916 AM PST THU NOV 22 2007

CAZ034>041-044>047-051>054-059-087-088-231400-
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-
916 AM PST THU NOV 22 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWESTERN CALIFORNIA.

.DAY ONE... TODAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN... FRIDAY THROUGH WEDNESDAY

THERE WILL BE A CONTINUED THREAT OF SUB-FREEZING NIGHT THROUGH EARLY
MORNING TEMPERATURES IN THE ANTELOPE VALLEY...INTERIOR VALLEYS OF
SLO COUNTY...AND THE CUYAMA VALLEY THROUGH AT LEAST SATURDAY.
OFFSHORE WINDS WILL FORM FRIDAY NIGHT INTO SATURDAY MORNING OVER A
LARGE PORTION OF VENTURA AND LOS ANGELES COUNTIES. THESE WINDS ARE
CAPABLE OF PRODUCING DAMAGING WIND GUSTS IN EXCESS OF 60 MPH...WITH
THE STRONGEST WINDS THROUGH FAVORED MOUNTAIN PASSES AND CANYONS. IN
ADDITION...THIS OFFSHORE FLOW WILL CAUSE THE AIRMASS TO DRY OUT
EXCESSIVELY...WHICH WHEN COUPLED WITH THE STRONG WINDS HAS THE
POTENTIAL TO PRODUCE AN ENVIRONMENT FAVORABLE FOR RAPID FIRE GROWTH.

STARTING THURSDAY NIGHT AND LASTING INTO SATURDAY...HIGHER THAN
NORMAL ASTRONOMICAL HIGH TIDES WILL PEAK NEAR AND ABOVE 7 FEET.
THESE HIGH TIDES MAY PRODUCE SOME LOCALIZED BEACH EROSION.

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

* FIRE WEATHER WATCH.........SEE WWUS86 KLOX - RFWLOX FOR DETAILS *

* 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.

TRM

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 21, 6:46 PM PSTFrost AdvisoryLOXSanta Barbara14 hr
Nov 22, 2:48 AM PSTDense Fog AdvisoryLOX6 hr
Nov 22, 2:48 AM PSTHigh Wind WatchLOXLos Angeles35 hr
Nov 22, 1:40 PM PSTRed Flag WarningLOXLos Angeles3 days
Nov 22, 3:14 PM PSTFrost AdvisoryLOXSanta Barbara18 hr

Nearby

Freeze Warnings in California, 2007Every freeze warning 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.