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FXUS01 KWBC 301947
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
346 PM EDT TUE SEP 30 2008
VALID 00Z WED OCT 01 2008 - 12Z THU OCT 02 2008
HIGH PRESSURE WILL DOMINATE THE WEATHER OVER THE CENTRAL PART OF
THE COUNTRY. HIGH PRESSURE OVER THE CENTRAL PLAINS EXTENDS FROM
THE MISSISSIPPI RIVER TO THE GREAT BASIN. A REINFORCING HIGH WILL
MOVE SOUTH OUT OF CENTRAL CANADA ADVANCING TO THE CENTRAL PLAINS
BY THURSDAY MORNING. ALSO BY THURSDAY ... A CLOSED LOW OVER THE
PACIFIC WILL SWING CLOSE TO THE WEST COAST ENCOURAGING A PLUME OF
MOISTURE TO MOVE ONSHORE PRODUCING SCATTERED RAIN ALONG THE
COASTAL AREAS FROM NORTHERN CALIFORNIA TO WASHINGTON STATE.
MEANWHILE ... A FRONT NEAR THE EAST COAST WILL SLOWLY PUSH OFF THE
EASTERN SEABOARD BY WEDNESDAY EVENING. SCATTERED SHOWERS AND
THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF THE FRONT FROM THE
SOUTHEAST TO THE MID-ATLANTIC ... MOVING INTO THE SOUTHERN NEW
ENGLAND BY WEDNESDAY. WEST OF THE BOUNDARY ... THE WRAP AROUND
MOISTURE WILL PRECIPITATE OUT AS SCATTERED RAIN SHOWERS FROM THE
GREAT LAKES TO THE NORTHEAST. IN ADDITION ... AN OLD FRONT MOVING
AWAY FROM FLORIDA WILL AID IN TRIGGERING SHOWERS AND THUNDERSTORMS
THROUGH WEDNESDAY.
ZIEGENFELDER
GRAPHICS AVAILABLE AT WWW.HPC.NCEP.NOAA.GOV
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