832
FXUS01 KWBC 281919
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
319 PM EDT MON SEP 28 2009
VALID 00Z TUE SEP 29 2009 - 12Z WED SEP 30 2009
A STRONG FRONT OVER THE EASTERN SEABOARD WILL MOVE OUT OVER THE
WESTERN ATLANTIC BY TUESDAY MORNING WHILE THE SOUTHERN SECTION OF
THE BOUNDARY WILL SLOWLY MOVE SOUTH OVER THE FLORIDA PENINSULA
THROUGH WEDNESDAY. RAIN WITH AN EMBEDDED THUNDERSTORM WILL
DEVELOP ALONG THE FRONT ACROSS NEW ENGLAND MONDAY EVENING INTO
EARLY TUESDAY MORNING. SHOWERS AND THUNDERSTORMS WILL DEVELOP
ALONG AND NEAR THE FRONT OVER PARTS OF THE WESTERN GULF COAST AND
FLORIDA MONDAY THROUGH WEDNESDAY. BEHIND THE FRONT HIGH PRESSURE
OVER THE PLAINS WILL MOVE EASTWARD TO THE GREAT LAKES/MISSISSIPPI
VALLEY BRINGING WITH IT BELOW AVERAGE TEMPERATURES. WITH STRONG
UPPER LEVEL FORCING AND COLD AIR MOVING OVER THE GREAT LAKES ...
THE STORM WILL PRODUCE LAKE EFFECT RAIN IN THE LEE OF THE LAKES
THROUGH WEDNESDAY.
ANOTHER STRONG FRONT WILL MOVE ONSHORE ACROSS THE WEST COAST AND
MOVE INLAND TO THE ROCKIES/GREAT BASIN BY WEDNESDAY. THE SYSTEM
WILL PRODUCE RAIN ALONG THE NORTHWEST COAST WITH RAIN/SNOW MIXED
AT SOME OF THE HIGHER ELEVATIONS OF THE CASCADES. THE RAIN WILL
MOVE EAST OVER THE NORTHERN/CENTRAL ROCKIES AND THE GREAT BASIN
WITH SNOW AT SOME OF THE HIGHEST ELEVATION OF THE ROCKIES BY
WEDNESDAY.
ZIEGENFELDER
GRAPHICS AVAILABLE AT WWW.HPC.NCEP.NOAA.GOV
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