373
FXUS01 KWBC 021942
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
341 PM EDT FRI OCT 02 2009
VALID 00Z SAT OCT 03 2009 - 12Z SUN OCT 04 2009
A WRAPPED UP FRONTAL SYSTEM EXTENDING FROM THE GREAT LAKES ACROSS
THE OHIO/TENNESSEE VALLEYS AND INTO THE CENTRAL GULF COAST WILL
MOVE EASTWARD TO THE EASTERN SEABOARD BY SATURDAY EVENING ... THEN
PUSHING OUT OVER THE WESTERN ATLANTIC BY SUNDAY. THE STORM WILL
PRODUCE RAIN OVER THE GREAT LAKES AND INTO THE NORTHEAST. THIS
REGION OF PRECIPITATION WILL MOVE NORTHEASTWARD INTO SOUTHEASTERN
CANADA SATURDAY MORNING ... WHILE AN AREA OF RAIN WILL LINGER OVER
NEW ENGLAND THROUGH SUNDAY. RAIN SHOWERS WILL ALSO REMAIN OVER
PARTS OF THE UPPER MIDWEST INTO SATURDAY MORNING ... BUT WILL
CONTINUE OVER THE GREAT LAKES THROUGH SUNDAY. SHOWERS AND
THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF THE FRONT FROM
SOUTHEAST TO SOUTHERN NEW ENGLAND.
THE WESTERN END OF THE BOUNDARY WILL LINGER OVER TEXAS PROVIDING A
FOCUSING MECHANISM FOR MOISTURE COMING OFF THE GULF OF MEXICO AND
FROM TROPICAL STORM OLAF PRODUCING SHOWERS AND THUNDERSTORMS OVER
TEXAS THROUGH SUNDAY. IN ADDITION ... MOISTURE FROM OLAF WILL
TRIGGER SHOWERS AND THUNDERSTORMS OVER PARTS OF THE SOUTHWEST AND
SOUTHERN ROCKIES FROM FRIDAY INTO SUNDAY.
ANOTHER STRONG FRONTAL SYSTEM OVER THE NORTHWEST WILL MOVE
SOUTHWARD TO SOUTHERN CALIFORNIA BY SUNDAY. THE STORM WILL
PRODUCE LIGHT RAIN AND HIGHEST ELEVATION SNOW/RAIN MIXED OVER
PARTS OF THE NORTHWEST INTO THE GREAT BASIN AND CENTRAL ROCKIES BY
SUNDAY. TEMPERATURES FROM THE NORTHWEST TO THE MIDWEST SOUTHWARD
TO THE SOUTHERN PLAINS WILL BE BELOW TO MUCH BELOW AVERAGE DURING
THE NEXT FEW DAYS.
ZIEGENFELDER
GRAPHICS AVAILABLE AT WWW.HPC.NCEP.NOAA.GOV
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