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FXUS01 KWBC 071958
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
357 PM EDT SUN SEP 07 2008
VALID 00Z MON SEP 08 2008 - 12Z TUE SEP 09 2008
A WEAK BOUNDARY OVER THE GREAT LAKES WILL INTENSIFY AS UPPER LEVEL
ENERGY SOLIDIFIES OVER THE CENTRAL U. S.. THE ENERGIZED FRONT
WILL PUSH SOUTH AND EASTWARD EXTENDING FROM THE LOWER GREAT LAKES
TO THE SOUTHERN PLAIN/ROCKIES BY TUESDAY MORNING. RAIN AND MAYBE
A FEW THUNDERSTORMS WILL DEVELOP OVER THE UPPER GREAT LAKES
THROUGH MONDAY MORNING.
MEANWHILE ... THE AFOREMENTIONED UPPER LEVEL ENERGY WILL DEVELOP A
WAVE OF LOW PRESSURE OVER THE CENTRAL HIGH PLAINS THAT WILL
INTENSIFY AND MOVE ALONG THE BOUNDARY TO THE OHIO VALLEY ... THEN
INTO SOUTH EASTERN CANADA BY TUESDAY. RAIN WILL DEVELOP OVER
PORTIONS OF THE CENTRAL ROCKIES/HIGH PLAINS AND UNFOLD INTO AN
AREA OF MODERATE TO HEAVY RAIN/THUNDERSTORMS OVER THE CENTRAL
PLAIN/MIDDLE MISSISSIPPI VALLEY ON MONDAY. THE REGION OF
PRECIPITATION WILL ALSO RIDE NORTHEASTWARD ALONG THE FRONT WITH AN
AREA OF SHOWERS AND THUNDERSTORMS EXTENDING FROM THE LOWER GREAT
LAKES TO THE SOUTHERN APPALACHIANS BY TUESDAY MORNING.
IN ADDITION ... MONSOONAL MOISTURE AND ADDED MOISTURE FLOWING
ONSHORE FROM THE GULF OF MEXICO WILL AID IN PRODUCING SHOWERS AND
THUNDERSTORMS OVER THE SOUTHERN ROCKIES/HIGH PLAINS AND WILL
EXPAND TO INCLUDE THE WESTERN AND CENTRAL GULF COAST BY TUESDAY.
SIMILARLY ... ONSHORE FLOW FROM THE ATLANTIC WILL AID IN
TRIGGERING SHOWERS AND THUNDERSTORMS ALONG PARTS OF THE SOUTHEAST
COAST.
HURRICANE IKE IS FORECAST TO MOVE EASTWARD ACROSS CUBA BY TUESDAY.
MODERATE TO HEAVY RAIN MAY REACH THE SOUTHERN TIP OF FLORIDA ALSO
BY TUESDAY. FOR THE MOST UP TO DATE INFORMATION ON IKE SEE THE
TROPICAL ADVISORY FROM THE TROPICAL PREDICTION CENTER.
ZIEGENFELDER
GRAPHICS AVAILABLE AT WWW.HPC.NCEP.NOAA.GOV
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