Alert archive / California / Winter Storm Warnings in 2009

Winter Storm Warning 10, NWS Sacramento, CA

December 14, 2009

NWS Sacramento, CA issued this winter storm warning at Dec 14, 2009, 2:37 PM PST. It took effect at Dec 15, 2009, 4:00 AM PST. It was in force for 11 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 14, 2009, 2:37 PM PST (22:37 UTC)
In effect from
Dec 15, 2009, 4:00 AM PST
Expired
Dec 15, 2009, 3:23 PM PST
In force
11 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 14, 9:40 AM PST, 4 hours 57 minutes earlier.

Area forecast discussion, Dec 14, 9:40 AM PST, 4 hours 57 minutes before
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Hazardous weather outlook, Dec 14, 7:00 AM PST, 7 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SACRAMENTO CA
700 AM PST MON DEC 14 2009

CAZ013>019-063-064-066>069-151500-
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 MON DEC 14 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA.

.DAY ONE...TODAY

ANOTHER POTENT WET STORM WILL START AFFECTING OUR CWA TONIGHT.
SHOWERS EXPECTED TO DEVELOP ACROSS THE NORTHERN MOUNTAINS AND
FOOTHILLS SURROUNDING THE NORTHERN SACRAMENTO VALLEY. SHOWERS WILL
EXPAND SOUTHWARD OVERNIGHT TOWARDS THE CENTRAL SACRAMENTO VALLEY.
HOWEVER...BRUNT OF STORM IS FORECAST TO AFFECT THE REGION TUESDAY
AND WEDNESDAY. SNOW LEVELS AROUND 4500 TO 5000 FEET.

* SPECIAL WEATHER STATEMENT..SEE WWUS86 KSTO - SPSSTO FOR DETAILS *

.DAYS TWO THROUGH SEVEN... TUESDAY THROUGH SUNDAY

HEAVIEST RAIN AND SNOW WILL FALL ACROSS NORTHERN AND CENTRAL
CALIFORNIA TUESDAY INTO WEDNESDAY. THIS SYSTEM COULD BRING AROUND AN
ADDITIONAL INCH OF LIQUID PRECIPITATION FOR THE VALLEY AND
MOUNTAINS. THIS WOULD TRANSLATE AS UP TO A FOOT OF SNOW FOR
ELEVATIONS NEAR 5000 FEET AND HIGHER. SNOW LEVELS LIFTING TO NEAR
6000 TO 7000 FEET BY WEDNESDAY.

* SPECIAL WEATHER STATEMENT..SEE WWUS86 KSTO - SPSSTO FOR DETAILS *

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 14, 2:37 PM PSTWinter Weather AdvisorySTO37 hr

Nearby

Winter Storm Warnings in California, 2009Every winter storm warning in 2009

Sources

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