729
FXUS01 KWBC 032017
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
416 PM EDT FRI OCT 03 2008
VALID 00Z SAT OCT 04 2008 - 12Z SUN OCT 05 2008
A PACIFIC STORM WILL MOVE ONSHORE OVER THE WEST COAST AS AN
ASSOCIATED UPPER LEVEL TROUGH MOVES EASTWARD TO THE GREAT
BASIN/SOUTHWEST. THE FRONT WILL DISSIPATE OVER THE WEST COAST AS
A NEW BOUNDARY DEVELOPS OVER THE SOUTHERN/CENTRAL HIGH PLAINS
LINKING UP WITH A STATIONARY BOUNDARY OVER THE WESTERN MIDWEST.
THE SYSTEM WILL PRODUCE SCATTERED RAIN ALONG MOST OF THE WEST
COAST ... EXCEPT FOR SOUTHERN CALIFORNIA THROUGH SATURDAY EVENING.
THE PRECIPITATION WILL SPREAD EASTWARD TO THE ROCKIES BY SUNDAY
MORNING AND WILL ALSO PRODUCE RAIN/SNOW MIXTURE FOR ELEVATIONS OF
8000 FT AND ABOVE. THE SCATTERED RAIN WILL TAPPER OFF FOR MOST OF
THE WEST COAST ON SUNDAY EXCEPT THE NORTHWEST COASTAL AREAS.
MEANWHILE ... HIGH PRESSURE OVER THE UPPER MISSISSIPPI VALLEY WILL
MOVE EASTWARD TO THE CENTRAL APPALACHIANS BY SUNDAY. LIGHT LAKE
EFFECT RAIN WILL DEVELOP OVER A NARROW PORTION OF THE GREAT LAKES
THROUGH SUNDAY. IN ADDITION ... BY SUNDAY MORNING UPPER LEVEL
ENERGY AND FAVORABLE UPPER LEVEL JET STRUCTURE WILL AID IN
PRODUCING A REGION OF RAIN AND THUNDERSTORMS OVER PARTS OF THE
UPPER MIDWEST.
ELSEWHERE ... A BOUNDARY LINGERING OVER THE SOUTHERN TIP OF
FLORIDA WILL AID IN PRODUCING SHOWERS AND THUNDERSTORMS OVER THE
REGION THROUGH SUNDAY.
ZIEGENFELDER
GRAPHICS AVAILABLE AT WWW.HPC.NCEP.NOAA.GOV
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