Prognostic Meteorological Discussion
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000
FXUS01 KWBC 100802
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
301 AM EST WED FEB 10 2016

VALID 12Z WED FEB 10 2016 - 12Z FRI FEB 12 2016

...HEAVY RAIN POSSIBLE OVER THE OLYMPIC PENINSULA...

...LAKE EFFECT SNOW DOWNWIND FROM THE GREAT LAKES...

...TEMPERATURES WILL BE 10 TO 20 DEGREES BELOW AVERAGE FROM EAST
OF THE PLAINS TO THE NORTHERN/CENTRAL APPALACHIANS AND THE
SOUTHEAST...

DEEP UPPER-LEVEL TROUGH OVER THE EASTERN THIRD OF THE COUNTRY WILL
SLOWLY MOVE OFF THE EAST COAST WHILE LEAVING A SUBSTANTIAL TROUGH
OVER THE EASTERN THIRD OF THE COUNTRY INTO THURSDAY EVENING.  WITH
COLD AIR FLOWING OVER THE OPEN WATERS OF THE GREAT LAKES, LAKE
EFFECT SNOW WILL DEVELOP DOWNWIND FROM THE GREAT LAKES AND OVER
THE HIGHER ELEVATIONS OF THE NORTHERN/CENTRAL APPALACHIANS ALONG
WITH PARTS OF NEW ENGLAND THROUGH THURSDAY EVENING.

MEANWHILE, UPPER-LEVEL ENERGY AND ADDITIONAL UPPER-LEVEL DYNAMICS
WILL AID IN PRODUCING LIGHT SNOW OVER PARTS OF THE NORTHERN PLAINS
INTO THE MIDDLE/UPPER MISSISSIPPI VALLEY ON WEDNESDAY ENDING
OVERNIGHT WEDNESDAY.  IN ADDITION, ANOTHER UPPER-LEVEL DISTURBANCE
WILL MOVE OVER THE NORTHERN HIGH PLAINS TO THE CENTRAL PLAINS ON
THURSDAY.  THE ENERGY WILL TRIGGER LIGHT SNOW OVER REGION ON
THURSDAY MORNING INTO THURSDAY EVENING.

ADDITIONALLY, MULTIPLE DECAYING FRONT OVER THE NORTHERN PACIFIC
WILL MOVE NEAR THE PACIFIC NORTHWEST FROM WEDNESDAY INTO THURSDAY.
 AN ASSOCIATED PLUME OF MOISTURE WILL MOVE OVER PARTS OF THE
NORTHWEST PRODUCING RAIN THROUGH THURSDAY.


ZIEGENFELDER


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