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FXUS01 KWBC 232005
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
404 PM EDT TUE SEP 23 2008
VALID 00Z WED SEP 24 2008 - 12Z THU SEP 25 2008
A FRONT EXTENDING FROM THE UPPER MIDWEST TO CENTRAL PLAINS WILL
MOVE EASTWARD TO THE GREAT LAKES BY THURSDAY. WHILE THE WEST SIDE
OF THE BOUNDARY ADVANCES NORTHWARD AS A WARM FRONT FROM THE
CENTRAL HIGH PLAINS TO THE NORTHERN PLAINS. SHOWERS AND
THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF THE FRONT OVER THE
MIDWEST THROUGH WEDNESDAY MORNING WHEN THE MOISTURE CONNECTION IS
BROKEN AND LIGHT RAIN SHOWERS WILL DEVELOP OVER THE NORTHERN MOST
PART OF THE GREAT LAKES.
MEANWHILE ... A PACIFIC STORM OFF THE COAST WILL COME ONSHORE OVER
THE PACIFIC NORTHWEST ON THURSDAY MORNING PRODUCING LIGHT RAIN
OVER PARTS OF THE PACIFIC NORTHWEST STARTING WEDNESDAY. IN
ADDITION ... ONSHORE FLOW OFF THE GULF OF MEXICO WILL AID IN
TRIGGERING SHOWERS AND THUNDERSTORMS OVER SOUTHERN TEXAS ...
TAPERING OFF ON THURSDAY AS THE WIND BECOMES MORE NORTHERLY.
FURTHERMORE ... EASTERLY FLOW OFF THE ATLANTIC WILL CONTRIBUTE TO
SHOWERS AND THUNDERSTORMS ALONG THE SOUTHEAST COAST. ADDITIONALLY
... A DEVELOPING LOW PRESSURE CENTER ALONG AN OLD FRONT OFF
SHORE... WILL INTENSIFY AND MOVE WESTWARD TO OFF THE SOUTHEAST
COAST. RAIN AND SOME THUNDERSTORMS WILL DEVELOP ALONG THE
SOUTHERN MID-ATLANTIC AND SOUTHEAST COAST BEGINNING LATER ON
WEDNESDAY.
ZIEGENFELDER
GRAPHICS AVAILABLE AT WWW.HPC.NCEP.NOAA.GOV
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