Alert archive / California / Frost Advisories in 2010

Frost Advisory 1, NWS San Diego, CA

November 24, 2010Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this frost advisory at Nov 24, 2010, 11:34 PM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Nov 25, 2010, 2:00 AM PST. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued
Nov 24, 2010, 11:34 PM PST (07:34 UTC)
In effect from
Nov 25, 2010, 2:00 AM PST
Expired
Nov 25, 2010, 9:00 AM PST
In force
7 hr
Issued by
NWS San Diego, CA

Counties Riverside County, CA, San Bernardino County, CA, San Diego County, CA

The radar

The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 07:36 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 frost advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Diego, CA wrote its last area forecast discussion before this frost advisory went out at Nov 24, 2:30 PM PST, 9 hours 4 minutes earlier.

Area forecast discussion, Nov 24, 2:30 PM PST, 9 hours 4 minutes before
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Hazardous weather outlook, Nov 24, 3:00 AM PST, 20 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN DIEGO CA
300 AM PST WED NOV 24 2010

CAZ042-043-048-050-055>058-060>062-250000-
ORANGE COUNTY COASTAL AREAS-
SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-
SAN BERNARDINO COUNTY MOUNTAINS-
RIVERSIDE COUNTY MOUNTAINS-
SANTA ANA MOUNTAINS AND FOOTHILLS-
SAN DIEGO COUNTY MOUNTAINS-
APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-
SAN DIEGO COUNTY DESERTS-
300 AM PST WED NOV 24 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EXTREME
SOUTHWESTERN CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

PATCHY DENSE FOG IN THE MOUNTAINS THIS MORNING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH WEDNESDAY

STRONG...GUSTY OFFSHORE WINDS THURSDAY THROUGH AND BELOW MOUNTAIN
CANYONS AND PASSES.

SATURDAY NIGHT AND SUNDAY...A PACIFIC STORM WILL BRING GUSTY WINDS
AND A CHANCE FOR SHOWERS.

.SPOTTER INFORMATION STATEMENT...SKYWARN SPOTTER ACTIVATION IS NOT
REQUESTED FOR THIS AREA...HOWEVER WEATHER SPOTTERS ARE ENCOURAGED TO
REPORT SIGNIFICANT WEATHER CONDITIONS.

MOEDE

The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 24, 5:20 PM PSTFreeze WarningSGXSan Bernardino16 hr
Nov 25, 8:58 AM PSTFrost AdvisorySGXRiverside, San Bernardino, San Diego24 hr

Nearby

Frost Advisories in California, 2010Every frost advisory in 2010

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.