017
FXUS01 KWBC 242044
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
443 PM EDT SAT OCT 24 2009
VALID 00Z SUN OCT 25 2009 - 12Z MON OCT 26 2009
A STORM OVER THE NORTHERN PLAINS WILL MOVE EASTWARD TO THE GREAT
LAKES WHILE THE ASSOCIATED COLD FRONT DIGS SOUTHEASTWARD FROM THE
CENTRAL ROCKIES/GREAT BASIN TO EASTERN TEXAS/NORTHERN MEXICO BY
MONDAY. THE SYSTEM WILL BE VOID OF MOISTURE UNTIL SUNDAY WHEN IT
TAPES INTO MOISTURE FROM THE GULF OF MEXICO. FROM SATURDAY TO
SUNDAY ... LIGHT RAIN WILL DEVELOP OVER THE NORTHERN PLAINS/UPPER
MISSISSIPPI VALLEY MOVING INTO THE GREAT LAKES/MIDDLE MISSISSIPPI
VALLEY ON MONDAY. LIGHT SNOW WILL ALSO DEVELOP FROM THE NORTHERN
ROCKIES TO PARTS OF THE SOUTHERN ROCKIES. SOME SHOWERS AND
THUNDERSTORMS WILL DEVELOP OVER PORTIONS OF THE CENTRAL/SOUTHERN
HIGH PLAINS MONDAY INTO SUNDAY MORNING. SHOWERS AND THUNDERSTORMS
WILL BLOSSOM ALONG AND NEAR THE FRONT OVER THE CENTRAL/SOUTHERN
PLAINS SUNDAY AFTERNOON INTO MONDAY AS THE AFOREMENTIONED MOISTURE
GOES TO WORK.
A NEW STORM WILL COME ONSHORE OVER THE PACIFIC NORTHWEST ON SUNDAY
AFTERNOON ... TRIGGERING LIGHT TO MODERATE RAIN ALONG THE COAST
WITH RAIN SPREADING INLAND TO THE NORTHERN INTERMOUNTAIN REGION
WHERE ... AT THE HIGHER ELEVATION ... THE PRECIPITATION WILL BE
LIGHT SNOW. IN ADDITION ... A FRONT ALONG THE EAST COAST WILL
MOVE OUT OVER THE ATLANTIC BY SUNDAY MORNING WHILE A WAVE OF LOW
PRESSURE DEVELOPS JUST OFF THE NORTHEAST COAST OF FLORIDA LATER ON
SUNDAY. THE LIGHT TO MODERATE RAIN OVER THE NORTHEAST WILL MOVE
INTO SOUTHEASTERN CANADA BY SUNDAY. AS RAIN WITH MAYBE AN
ISOLATED THUNDERSTORMS WILL MOVE FROM SOUTHERN NEW
ENGLAND/MID-ATLANTIC OUT OVER TH WESTERN ATLANTIC BY LATE SATURDAY
NIGHT. SHOWERS AND THUNDERSTORM WILL DEVELOP NEAR THE FRONT OVER
THE SOUTHEAST AND LINGER NEAR THE COAST THROUGH MONDAY AS THE WAVE
OF LOW PRESSURE DEVELOPS NEAR THE COAST.
ZIEGENFELDER
GRAPHIC AVAILABLE AT WWW.HPC.NCEP.NOAA.GOV
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