Area Forecast Discussion
Issued by NWS State College, PA

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FXUS61 KCTP 271913
AFDCTP

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
213 PM EST TUE JAN 27 2015

.SYNOPSIS...
THE STRONG STORM OFF THE COAST WILL MOVE NORTH AND EAST AWAY FROM
THE REGION THROUGH TONIGHT. HIGH PRESSURE WILL BUILD OVER THE
REGION FOR THE MIDDLE OF THE WEEK...FOLLOWED BY AN ALBERTA CLIPPER
WHICH WILL CROSS THE AREA THURSDAY AND THURSDAY NIGHT. COLD HIGH
PRESSURE WILL FOLLOW ONCE AGAIN FOR THE WEEKEND.

&&

.NEAR TERM /THROUGH TONIGHT/...
LONG LIVED DEFORMATION ZONE WHICH ADDED ANOTHER 3-5 INCHES OVER
THE PAST 24 HOURS TO WESTERN AND CENTRAL PORTIONS IS NOW
PROPOGATING WSW...CAUGHT UP IN THE DOMINANT CIRCULATION AROUND THE
DEEP SOUTHEAST NEW ENGLAND BLIZZARD. ADDITIONAL DEFORMATION
FLURRIES AND SNOW SHOWERS HAVE FILLED IN ACROSS CENTRAL PA THIS
AFTERNOON...AND ADDED SLIGHT CHC POPS FOR MOST TO COVER THESE INTO
THIS EVENING. MOST AREAS WILL SEE LITTLE TO NO ACCUMULATION...AND
THE MORE SIGNIFICANT ISSUE WILL BE AREAS OF BLOWING AND DRIFTING
SNOW DUE TO INCREASING NE WIND GUSTS TO 35 MPH INTO TONIGHT.

SKIES WILL BECOME PARTLY CLOUDY TO CLEAR ACROSS MOST OF CENTRAL
AND EASTERN AREAS AFTER MIDNIGHT...AND WE`LL SEE WIND CHILLS DROP
TO THE SINGLE DIGITS BELOW ZERO ACROSS WESTERN AND NORTHERN AREAS.

&&

.SHORT TERM /WEDNESDAY/...
HIGH PRESSURE CENTERED OVER OHIO WED 12Z REACHES SOUTHWEST PA BY
00Z THU...BRINGING RELAXING GRADIENTS BY LATE AFTERNOON AND
IMPROVING CONDS FOR THE ALLEGHENIES AS WELL. ELSEWHERE A MOSTLY
SUNNY DAY IS IN STORE...BUT IT WILL BE CHILLY ESPECIALLY IN THE
MORNING AS WINDS WILL BE BREEZY TO START THE DAY. MAXES ON
WEDNESDAY WILL BE SLIGHTLY MILDER THAN TODAY IN THE N BUT COOLER
IN THE S...RANGING FROM LOWER 20S NORTH TO AROUND 30 SOUTH.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/...
WED NIGHT...BASED ON 12Z MODEL RUNS AND THAT WITH MAINLY CLEAR
SKIES AND LIGHT WINDS...EXPECT TEMPS TO DROP...WITH FRESH SNOW
COVER.

NEXT SYSTEM WILL BRING SOME SNOW SHOWERS TO THE AREA LATER THU
INTO FRIDAY. THIS SYSTEM NOT LOOKING LIKE IT WOULD RESULT IN
A COASTAL REAL NEAR THE COAST.

COLDER AIR FOR FRIDAY NIGHT.

WEEKEND NOT LOOKING TOO BAD...COLDER AIR WILL TRY TO BUILD IN
EARLY NEXT WEEK.

&&

.AVIATION /19Z TUESDAY THROUGH SUNDAY/...
OVERALL...CONDITIONS WILL CONTINUE TO SLOWLY IMPROVE ACROSS
CENTRAL PA AS INVERTED TROUGH OVERHEAD SLIDES SLOWLY TO THE EAST.
GENERALLY LIGHT SNOW SHOWERS AND FLURRIES NOW CONFINED MAINLY TO
THE WESTERN PORTION OF CWA AS DRIER AIR SLOWLY WORKS IN FROM THE
NE. REDUCTIONS WILL CONTINUE FROM KFIG WESTWARD FOR SEVERAL MORE
HOURS BEFORE SNOW GRADUALLY WANES. THE RESULT WILL BE MVFR/IFR
CONDITIONS PERSISTING IN THE WESTERN HIGHER TERRAIN...WHILE
IMPROVING CONDITIONS BRING VFR TO THE EAST BY MID MORNING.
GENERALLY LIGHT WINDS WILL INCREASE TO 10-15 MPH DURING THE DAY AS
N/NW FLOW INCREASES.

OUTLOOK...

WED...VFR WITH NO SIG WEATHER EXPECTED.

THU...VFR TO START...WITH LATE DAY RESTRICTIONS SPREADING IN FROM
THE WEST.

THU NIGHT-FRI...WIDESPREAD IFR/MVFR IN SNOW.

SAT...MAINLY VFR.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

$$
SYNOPSIS...DEVOIR
NEAR TERM...DEVOIR
SHORT TERM...DEVOIR
LONG TERM...MARTIN
AVIATION...DEVOIR/RXR


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