Alert archive / California / Winter Storm Warnings in 2008

Winter Storm Warning 11, NWS Sacramento, CA

December 20, 2008

NWS Sacramento, CA issued this winter storm warning at Dec 20, 2008, 3:18 PM PST. It took effect at Dec 21, 2008, 10:00 AM PST. It was in force for 24 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 20, 2008, 3:18 PM PST (23:18 UTC)
In effect from
Dec 21, 2008, 10:00 AM PST
Expired
Dec 22, 2008, 10:02 AM PST
In force
24 hr
Issued by
NWS Sacramento, CA

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Sacramento, CA wrote its last area forecast discussion before this winter storm warning went out at Dec 20, 10:00 AM PST, 5 hours 18 minutes earlier.

Area forecast discussion, Dec 20, 10:00 AM PST, 5 hours 18 minutes before
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Hazardous weather outlook, Dec 20, 7:00 AM PST, 8 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SACRAMENTO CA
700 AM PST SAT DEC 20 2008

CAZ013>019-063-064-066>069-211500-
SHASTA LAKE AREA/NORTHERN SHASTA COUNTY-
BURNEY BASIN/EASTERN SHASTA COUNTY-NORTHERN SACRAMENTO VALLEY-
CENTRAL SACRAMENTO VALLEY-SOUTHERN SACRAMENTO VALLEY-
CARQUINEZ STRAIT AND DELTA-NORTHERN SAN JOAQUIN VALLEY-
MOUNTAINS SOUTHWESTERN SHASTA TO NORTHERN LAKE COUNTIES-
CLEAR LAKE/SOUTHERN LAKE COUNTY-MOTHERLODE-
EAST FOOTHILLS/NORTH SACRAMENTO VALLEY-
WESTERN PLUMAS COUNTY/LASSEN PARK-WEST SLOPE NORTHERN SIERRA NEVADA-
700 AM PST SAT DEC 20 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA.

.DAY ONE...TODAY

A STORM SYSTEM WILL BEGIN TO MOVE INTO AREA WITH LIGHT PRECIPITATION
BEGINING OVER THE MOUNTAINS OF SHASTA COUNTY LATE THIS AFTERNOON AND
CONTINUING INTO TONIGHT. LOCALLY DENSE FOG HAS DEVELOPED OVER THE
SOUTHERN SACRAMENTO VALLEY AND THE NORTHERN SAN JOAQUIN VALLEY THIS
MORNING AND IS EXPECTED TO DIMINISH BY MID MORNING. OTHERWISE...NO
HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN... SUNDAY THROUGH FRIDAY

A STORM SYSTEM WILL BRING ACCUMULATING SNOW OVER THE NORTHERN
MOUNTAINS SUNDAY MORNING AND SPREADING INTO THE SIERRA BY THE
AFTERNOON. HEAVIER SNOW IS EXPECTED OVERNIGHT INTO MONDAY. ANOTHER
SYSTEM WILL ARRIVE TUESDAY NIGHT INTO WEDNESDAY AND ANOTHER ON
CHRISTMAS DAY. EACH SYSTEM HAS THE POTENTIAL TO DROP AS MUCH AS AN
INCH OF PRECIPITATION TO THE VALLEY WITH HIGHER AMOUNTS OVER THE
MOUNTAINS. SNOW LEVELS WILL BE HIGHER THAN THE LAST FEW STORMS BUT
STILL GENERALLY BELOW 5000 FEET. SNOW AMOUNTS OF A FOOT OR MORE ARE
POSSIBLE WITH EACH SYSTEM OVER THE HIGHER MOUNTAINS.

* WINTER STORM WATCH.........SEE WWUS46 KSTO - WSWSTO FOR DETAILS *

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS TO THEIR LOCAL NATIONAL WEATHER SERVICE OFFICE.

THE LATEST WEATHER INFORMATION IS AVAILABLE ON THE INTERNET AT
(LOWER CASE): HTTP://WWW.WRH.NOAA.GOV/STO

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 20, 5:41 AM PSTWinter Storm WatchSTO10 hr
Dec 20, 3:18 PM PSTWinter Weather AdvisorySTO36 hr

Nearby

Winter Storm Warnings in California, 2008Every winter storm warning in 2008

Sources

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