Cold in California, May 28, 2006

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SACRAMENTO CA
1000 PM SAT MAY 27 2006

.DISCUSSION...
LARGE COLD UPPER TROF CONTINUES OVER THE PACIFIC NORTHWEST THIS
EVENING. SATELLITE IMAGERY SHOWS ANOTHER DISTURBANCE ROTATING AROUND
THE LOW IS SLIDING SOUTHEASTWARD THROUGH NORTHEAST CALIFORNIA AND IS
RESPONSIBLE FOR CONTINUING A FEW SHOWERS OVER SOUTHEASTERN SHASTA
COUNTY MOVING INTO NORTHERN PLUMAS COUNTY. THE UPPER LOW IS FORECAST
TO BEGIN LIFTING NORTH INTO THE CANADIEN PRAIRIE PROVINCES SUNDAY
AND MONDAY. AS THIS OCCURS...THE FLOW ACROSS THE EASTERN PACIFIC
INTO NORTHERN CALIFORNIA IS EXPECTED TO BECOME LESS AMPLIFIED AS
HEIGHTS ALOFT RECOVER.

WITH LINGERING INSTABILITY...STILL POSSIBLE THAT WE/LL SEE A FEW
SHOWERS AGAIN ACROSS THE NORTHERN SIERRA ON SUNDAY AFTERNOON...BUT
WITH INCREASED WESTERLY FLOW IT IS LIKELY THAT SHOWERS THAT DEVELOP
WILL RAPIDLY MOVE EAST OF THE CREST.

HIGH PRESSURE IS FORECAST TO TAKE HOLD NEXT WEEK WITH TEMPERATURES
RETURNING TO NEAR NORMAL LEVELS BY TUESDAY. EXTENDED PROGS ARE
POINTING TOWARDS POSSIBLY EVEN WARMER TEMPERATURES BY THE END OF
NEXT WEEK AS THE SOUTHWEST HIGH BUILDS NORTHWARD.

&&

AVIATION...
VFR CONDS ALL ROUTES OVERNIGHT WITH A FEW LINGERING SHOWERS NEAR MT
LASSEN UNTIL AROUND MIDNIGHT.

&&

.STO WATCHES/WARNINGS/ADVISORIES...NONE.

&&

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SACRAMENTO CA
700 AM PDT SAT MAY 27 2006

CAZ013>019-063-064-066>069-281400-
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 PDT SAT MAY 27 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA.

.DAY ONE...TODAY

ISOLATED AFTERNOON THUNDERSTORMS ARE POSSIBLE OVER THE MOUNTAINS AND
POSSIBLY OVER THE FOOTHILLS OF THE SIERRA NEVADA. SCATTERED SNOW
SHOWERS ARE POSSIBLE OVER THE SIERRA NEVADA DOWN TO AROUND 5000 FEET
THIS MORNING.

PERSONS ARE ADVISED TO USE CAUTION NEAR RIVERS AND STREAMS WHICH ARE
STILL RUNNING HIGH AND FAST WITH COLD WATER TEMPERATURES.

.DAYS TWO THROUGH SEVEN... SUNDAY THROUGH FRIDAY

ISOLATED AFTERNOON THUNDERSTORMS ARE POSSIBLE OVER THE SIERRA NEVADA
AND NORTHERN MOUNTAINS ON SUNDAY. A WARMING TREND IS FORECAST FOR
NEXT WEEK WITH SUMMER-LIKE TEMPERATURES BY MIDWEEK.

OVER THE HOLIDAY WEEKEND...PERSONS ARE REMINDED TO EXERCISE CAUTION
NEAR RIVERS AND STREAMS WHICH ARE RUNNING HIGH AND FAST WITH COLD
WATER TEMPERATURES.

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