Prognostic Meteorological Discussion
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FXUS01 KWBC 270740
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
339 AM EDT FRI MAR 27 2015

VALID 12Z FRI MAR 27 2015 - 12Z SUN MAR 29 2015

...TEMPERATURES WILL BE 15 TO 25 DEGREES BELOW AVERAGE FOR PARTS
OF THE MISSISSIPPI VALLEY/OHIO VALLEY AND THE GREAT LAKES...

A SURFACE LOW AND ASSOCIATED FRONT OVER THE SOUTHEAST WILL MOVE
NORTHEASTWARD OUT OVER THE ATLANTIC BY FRIDAY EVENING.  THE SYSTEM
WILL PRODUCE SHOWERS AND THUNDERSTORMS OVER PARTS OF THE SOUTHEAST
THAT WILL MOVE EASTWARD OFF THE SOUTHEAST COAST BY LATE FRIDAY
AFTERNOON.  LIGHT TO MODERATE RAIN WILL ALSO DEVELOP OVER PARTS OF
THE SOUTHERN MID-ATLANTIC THAT WILL LIKEWISE MOVE EASTWARD OFF THE
MID-ATLANTIC COAST BY LATER FRIDAY EVENING.  IN ADDITION, A DEEP
UPPER-LEVEL TROUGH OVER THE MIDWEST WILL MOVE TO THE EAST COAST BY
SATURDAY EVENING.  THE ENERGY WILL AID IN PRODUCING AREAS OF LIGHT
SNOW OVER PARTS OF THE GREAT LAKES AND CENTRAL APPALACHIANS
THROUGH SATURDAY MORNING.  THE ENERGY WILL ALSO PRODUCE SNOW OVER
PARTS OF THE NORTHEAST COAST ON SATURDAY.
ADDITIONALLY,UPPER-LEVEL JET DYNAMICS WILL AID IN PRODUCING AN
AREA OF LIGHT SNOW OVER PARTS OF THE NORTHERN/CENTRAL PLAINS THAT
WILL MOVE SOUTHEASTWARD TO THE MIDDLE MISSISSIPPI VALLEY BY
SATURDAY MORNING.

MEANWHILE, A FRONT MOVING ONSHORE OVER THE PACIFIC NORTHWEST BY
FRIDAY EVENING, WILL MOVE EASTWARD TO THE NORTHERN PLAINS/GREAT
BASIN BY SATURDAY EVENING.  THE SYSTEM WILL PRODUCE LIGHT TO
MODERATE RAIN OVER PARTS OF THE NORTHWEST COAST THAT WILL MOVE
INLAND TO PARTS OF THE NORTHERN HIGH PLAINS BY SATURDAY EVENING.
RAIN WILL LINGER OVER PARTS OF THE PACIFIC NORTHWEST COAST THROUGH
SATURDAY MORNING.  RAIN WILL ALSO DEVELOP OVER PART OF THE
NORTHERN PLAINS/UPPER MISSISSIPPI VALLEY BY SATURDAY EVENING, TOO.



ZIEGENFELDER


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