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688
FXUS01 KWBC 261938
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
238 PM EST WED NOV 26 2014

VALID 00Z THU NOV 27 2014 - 00Z SAT NOV 29 2014

...HEAVY RAIN OVER PARTS OF THE PACIFIC NORTHWEST...

...SNOW OVER NORTHERN NEW ENGLAND...

...TEMPERATURES WILL BE 10 TO 20 DEGREES ABOVE AVERAGE OVER PARTS
OF THE CENTRAL ROCKIES AND THE GREAT BASIN...

A STORM JUST OFF THE NORTHEAST COAST WILL MOVE NORTHEASTWARD TO
OFF OF EASTERN CANADA BY FRIDAY MORNING.  THE SYSTEM WILL PRODUCE
MODERATE WET SNOW OVER PARTS OF THE NORTHEAST THAT WILL TAPPER OFF
TO LIGHT SNOW OVER NORTHERN NEW ENGLAND BY THANKSGIVING MORNING,
THURSDAY AND END BY THURSDAY EVENING.  MODERATE TO HEAVY RAIN WILL
DEVELOP ALONG THE MID-ATLANTIC/NEW ENGLAND COASTLINE ENDING LATE
WEDNESDAY NIGHT.

MEANWHILE, A FRONT EXTENDING FROM THE WESTERN OHIO VALLEY TO THE
SOUTHERN PLAINS WILL MOVE QUICKLY OFF THE SOUTHEAST COAST BY
THURSDAY EVENING, THANKSGIVING.  THE STORM WILL PRODUCE LIGHT SNOW
OVER PARTS OF THE GREAT LAKES THROUGH THURSDAY EVENING.  LIGHT
SNOW WILL ALSO DEVELOP OVER PARTS OF THE MIDDLE MISSISSIPPI VALLEY
THAT WILL MOVE TO PARTS OF THE CENTRAL APPALACHIANS BY THURSDAY
EVENING.  RAIN WILL ALSO DEVELOP OVER PARTS OF THE OHIO VALLEY AND
MOVE TO WESTERN NORTH CAROLINA BY THURSDAY MORNING.

A PERSISTENT BOUNDARY EXTENDING FROM THE CENTRAL HIGH PLAINS
NORTHWESTWARD TO BRITISH COLUMBIA WILL AID IN FOCUSING
PRECIPITATION FROM PARTS OF THE NORTHWEST TO THE NORTHERN HIGH
PLAINS.  A WEAKENING FRONT WILL MOVE INTO THE PACIFIC NORTHWEST ON
THURSDAY MORNING, THANKSGIVING, AND DISSIPATE.  THE SYSTEM WILL
BRING LIGHT TO MODERATE RAIN TO THE NORTHWEST COAST AND PARTS OF
NORTHERN CALIFORNIA THROUGH FRIDAY MORNING.  RAIN AND HIGHEST
ELEVATION SNOW WILL DEVELOP OVER PARTS OF THE NORTHERN
ROCKIES/NORTHERN INTERMOUNTAIN REGION THROUGH FRIDAY.  IN
ADDITION, SNOW WILL DEVELOP OVER PARTS OF THE NORTHERN HIGH PLAINS
THROUGH THURSDAY AFTERNOON.  UPPER-LEVEL JET DYNAMICS WILL AID IN
PRODUCING LIGHT SNOW OVER PARTS OF THE NORTHERN PLAINS INTO THE
UPPER GREAT LAKES THURSDAY EVENING INTO FRIDAY MORNING.
ADDITIONALLY, A POCKET OF RAIN/FREEZING RAIN WILL DEVELOP OVER
PARTS OF THE NORTHERN HIGH PLAINS ON THURSDAY MORNING,
THANKSGIVING.


ZIEGENFELDER

GRAPHICS AVAILABLE AT WWW.WPC.NCEP.NOAA.GOV
$$






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