Prognostic Meteorological Discussion
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697
FXUS01 KWBC 090800
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
259 AM EST TUE FEB 09 2016

VALID 12Z TUE FEB 09 2016 - 12Z THU FEB 11 2016

...SNOW OVER THE GREAT LAKES INTO PARTS OF THE APPALACHIANS AND
PARTS OF THE NORTHERN MID-ATLANTIC...

...TEMPERATURES WILL BE 10 TO 20 DEGREES BELOW AVERAGE OVER THE
UPPER/MIDDLE MISSISSIPPI VALLEY INTO PARTS OF THE OHIO VALLEY AND
THE SOUTHEAST...

A DEEP UPPER-LEVEL LOW OVER THE GREAT LAKES WILL SLOWLY WEAKEN AND
MOVE TO NEW ENGLAND BY WEDNESDAY EVENING.  ENERGY ROTATING AROUND
THE UPPER LOW WILL AID IN PRODUCING SNOW FROM THE GREAT LAKES TO
PARTS OF THE OHIO VALLEY AS WELL AS THE CENTRAL/SOUTHERN
APPALACHIANS EXTENDING INTO THE NORTHEAST AND PARTS OF THE
NORTHERN MID-ATLANTIC THROUGH WEDNESDAY EVENING.  IN ADDITION,
RAIN WILL DEVELOP OVER PARTS OF THE SOUTHERN MID-ATLANTIC COAST
THROUGH WEDNESDAY MORNING.

MEANWHILE, LOW PRESSURE OVER WEST-CENTRAL CANADA WILL MOVE
SOUTHEASTWARD TO THE CENTRAL/SOUTHERN PLAINS BY WEDNESDAY EVENING.
 THE SYSTEM WILL PRODUCE SNOW OVER PARTS OF THE NORTHERN PLAINS ON
TUESDAY AFTERNOON THAT WILL LIKEWISE MOVE SOUTHEASTWARD TO PARTS
OF THE MIDDLE/UPPER MISSISSIPPI VALLEY BY WEDNESDAY EVENING.
ADDITIONALLY, AN APPROACHING FRONT OVER THE NORTHERN PACIFIC WILL
BRING MOISTURE TO THE NORTHWEST COAST LATE TUESDAY NIGHT INTO
WEDNESDAY NIGHT.  WITH AN UPPER-LEVEL RIDGE OVER THE WEST COAST,
SNOW LEVELS WILL BE VERY HIGH.  THE MOISTURE WILL AID IN PRODUCING
RAIN OVER PARTS OF THE PACIFIC NORTHWEST FROM WEDNESDAY MORNING
INTO  THURSDAY.


ZIEGENFELDER


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





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