Prognostic Meteorological Discussion
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FXUS01 KWBC 251948
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
347 PM EDT SAT OCT 25 2014

VALID 00Z SUN OCT 26 2014 - 00Z TUE OCT 28 2014

...HEAVY PRECIPITATION POSSIBLE OVER THE WASHINGTON CASCADES...

...TEMPERATURES WILL BE 15 TO 25 DEGREES ABOVE AVERAGE OVER THE
PLAINS AND PARTS OF THE MISSISSIPPI VALLEY...

A STORM OVER THE PACIFIC NORTHWEST WILL MOVE INLAND TO THE UPPER
MISSISSIPPI VALLEY BY MONDAY.  ONSHORE FLOW OFF THE PACIFIC WILL
STREAM MOISTURE INTO NORTHERN CALIFORNIA/NORTHWEST THROUGH TO
SUNDAY EVENING.  THE MOIST FLOW WILL AID IN PRODUCING LIGHT TO
MODERATE RAIN ALONG THE PACIFIC NORTHWEST COAST THROUGH SUNDAY
MORNING.  THE RAIN WILL BECOME LIGHT ON SUNDAY INTO MONDAY
MORNING.  SNOW MAY DEVELOP AT HIGHEST ELEVATIONS ALSO FROM SUNDAY
MORNING INTO MONDAY.

RAIN AND HIGHER ELEVATION SNOW WILL DEVELOP OVER THE NORTHERN
INTERMOUNTAIN REGION/NORTHERN ROCKIES LIKEWISE FROM SUNDAY MORNING
INTO MONDAY MORNING.  THE RAIN AND HIGHER ELEVATION SNOW WILL
SPREAD INTO PARTS OF THE NORTHERN HIGH PLAINS/CENTRAL ROCKIES
SUNDAY EVENING INTO MONDAY.  AS THE ASSOCIATED FRONT MOVES OUT OF
THE ROCKIES AND ONTO THE PLAINS, RAIN WILL DEVELOP OVER PARTS OF
THE UPPER MISSISSIPPI VALLEY INTO THE UPPER GREAT LAKES, AGAIN,
FROM SUNDAY EVENING INTO MONDAY MORNING.  RAIN WILL ALSO DEVELOP
OVER PARTS OF THE CENTRAL PLAINS ON MONDAY MORNING.

MEANWHILE, A FRONT OVER THE LOWER GREAT LAKES WILL MOVE EASTWARD
OFF THE NORTHEAST COAST BY SUNDAY MORNING.  LIGHT RAIN WILL
DEVELOP OVER PARTS OF THE NORTHEAST THROUGH SUNDAY MORNING.
NORTHWEST FLOW AND UPPER-LEVEL ENERGY ROTATING AROUND AND
UPPER-LEVEL LOW OVER EASTERN CANADA WILL TRIGGER LIGHT RAIN OVER
PARTS OF THE NORTHERN APPALACHIANS ON SUNDAY INTO MONDAY.


ZIEGENFELDER


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





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