Area Forecast Discussion
Issued by NWS State College, PA

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000 FXUS61 KCTP 271913 AFDCTP AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 213 PM EST TUE JAN 27 2015 .SYNOPSIS...
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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.
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&& .NEAR TERM /THROUGH TONIGHT/...
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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.
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&& .SHORT TERM /WEDNESDAY/...
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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.
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&& .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/...
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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.
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&& .CTP WATCHES/WARNINGS/ADVISORIES... NONE. && $$ SYNOPSIS...DEVOIR NEAR TERM...DEVOIR SHORT TERM...DEVOIR LONG TERM...MARTIN AVIATION...DEVOIR/RXR

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