Prognostic Meteorological Discussion
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FXUS01 KWBC 240757
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
256 AM EST TUE JAN 24 2017

VALID 12Z TUE JAN 24 2017 - 12Z THU JAN 26 2017

...A WINTRY MIX OF SNOW, SLEET, AND RAIN/FREEZING RAIN OVER PARTS
OF NEW ENGLAND...

...HEAVY SNOW POSSIBLE FOR PARTS OF THE NORTHERN/CENTRAL PLAINS
INTO PARTS OF THE UPPER/MIDDLE MISSISSIPPI VALLEY...

...HEAVY RAIN OVER PARTS OF SOUTHERN NEW ENGLAND AND NORTHERN
MID-ATLANTIC COAST...

A LOW PRESSURE SYSTEM LOCATED JUST OFFSHORE OF MARYLAND/DELAWARE
WILL CONTINUE TO LIFT NORTHEAST OVER THE NEXT FEW DAYS - REACHING
THE CANADIAN MARITIMES BY THURSDAY. RAIN, POSSIBLY HEAVY AT TIMES,
IS FORECAST FOR THE NORTHERN MID-ATLANTIC/SOUTHERN NORTHEAST
REGION TODAY AND INTO WEDNESDAY MORNING. FROM THE APPALACHIANS TO
MAINE PRECIPITATION WILL LIKELY BE A WINTRY MIX TODAY BEFORE
BECOMING RESTRICTED TO NORTHERN MAINE BY WEDNESDAY MORNING.
SNOW/ICE WILL TAPER OFF OVER THE CENTRAL APPALACHIANS BY THIS
EVENING. MUCH OF THE NORTHEAST HAS WINTER STORM WARNINGS AND
WINTER WEATHER ADVISORIES IN EFFECT.

A STORM SYSTEM EXITING THE ROCKIES WILL SPREAD SNOW AND RAIN
ACROSS THE PLAINS AND INTO THE UPPER MIDWEST/GREAT LAKES REGION AS
IT TRACKS EASTWARD. NUMEROUS WINTER STORM WARNINGS AND WINTER
WEATHER ADVISORIES ARE IN EFFECT FOR THIS SYSTEM FROM WYOMING TO
WISCONSIN.
SNOW AND LOWER ELEVATION RAIN OVER THE SOUTHWEST/SOUTHERN ROCKIES
AND SNOW OVER PARTS OF NORTHERN/CENTRAL ROCKIES AND PARTS OF THE
GREAT BASIN THAT TAPER OFF DURING THE OVERNIGHT HOURS TONIGHT. THE
SNOW WILL CONTINUE TO EXPAND EASTWARD TO THE UPPER GREAT LAKES
OVERNIGHT TUESDAY WITH SOME RAIN DEVELOPING OVER PARTS OF THE
WESTERN OHIO VALLEY. SNOW MAY BECOME HEAVY AT TIMES.

HIGH PRESSURE WILL BUILD OVER MUCH OF THE WEST AND LIMITED ONSHORE
FLOW. PRECIPITATION OVER THE STATE OF CALIFORNIA WILL DIMINISH BY
LATE AFTERNOON/TONIGHT. PORTIONS OF THE PACIFIC NORTHWEST ARE
FORECAST TO HAVE VALLEY RAIN AND MOUNTAIN SNOW.


CAMPBELL

GRAPHICS AVAILABLE AT WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_WBG.PHP
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