Prognostic Meteorological Discussion
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FXUS01 KWBC 260810
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
310 AM EST THU FEB 26 2015

VALID 12Z THU FEB 26 2015 - 12Z SAT FEB 28 2015

...HEAVY SNOW POSSIBLE FOR PARTS OF THE CENTRAL/SOUTHERN ROCKIES...

...TEMPERATURES WILL BE 15 TO 30 DEGREES BELOW AVERAGE FROM EAST
OF THE ROCKIES TO THE EAST COAST...

LOW PRESSURE JUST OFF THE SOUTHERN MID-ATLANTIC COAST WILL
CONTINUE TO MOVE NORTHEASTWARD OUT OVER THE ATLANTIC.  THE SYSTEM
WILL PRODUCE LIGHT SNOW OVER PARTS OF THE MID-ATLANTIC AND
MODERATE SNOW OVER PARTS OF THE NORTHERN MID-ATLANTIC COAST ON
THURSDAY MORNING.  RAIN WILL ALSO DEVELOP OVER PARTS OF THE
SOUTHEAST COAST WITH SHOWERS AND THUNDERSTORMS DEVELOPING OVER
PARTS OF FLORIDA ALSO BY THURSDAY MORNING.  THE PRECIPITATION WILL
MOVE OFF MOST OF THE EASTERN SEA BOARD BY THURSDAY EVENING.
SHOWERS AND THUNDERSTORMS WILL REMAIN OVER THE SOUTHERN TIP OF
FLORIDA THROUGH FRIDAY MORNING.  IN ADDITION, UPPER-LEVEL ENERGY
OVER PARTS OF THE MIDDLE MISSOURI VALLEY WILL AID IN PRODUCING AN
AREA OF LIGHT SNOW OVER PARTS OF THE WESTERN OHIO VALLEY/GREAT
LAKES THAT WILL MOVE TO THE CENTRAL/NORTHERN APPALACHIANS BY
THURSDAY EVENING.

MEANWHILE, COLD HIGH PRESSURE OVER THE WEST-CENTRAL BORDER WITH
CANADA WILL MOVE SOUTHEASTWARD TO THE WESTERN OHIO VALLEY BY
FRIDAY EVENING.  UPPER-LEVEL ENERGY MOVING SOUTHEASTWARD OVER THE
ROCKIES WILL ALONG WITH UPSLOPE FLOW ASSOCIATED WITH THE
CIRCULATION AROUND THE HIGH WILL PRODUCE SNOW OVER PARTS OF THE
CENTRAL/SOUTHERN ROCKIES THROUGH FRIDAY EVENING.  ADDITIONALLY,
UPPER-LEVEL ENERGY OVER THE NORTHERN PACIFIC WILL MOVE SOUTHWARD
ALONG THE WEST COAST TO NORTHERN CALIFORNIA BY FRIDAY EVENING.
WEAK ONSHORE FLOW WILL ACCOMPANY THE ENERGY.  LIGHT RAIN WILL
DEVELOP OVER PARTS OF THE PACIFIC NORTHWEST WITH SNOW AT THE
HIGHER ELEVATIONS OVER PARTS OF THE PACIFIC NORTHWEST AND THE
NORTHERN INTERMOUNTAIN REGION THROUGH FRIDAY.  THE RAIN WILL MOVE
INTO PARTS OF NORTHERN CALIFORNIA BY FRIDAY MORNING.  SNOW WILL
EXPAND INTO PARTS OF THE GREAT BASIN AND THE HIGHER ELEVATIONS OF
CALIFORNIA BY FRIDAY EVENING.


ZIEGENFELDER


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