Area Forecast Discussion
Issued by NWS

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000 FXUS61 KPBZ 250735 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 235 AM EST SUN JAN 25 2015 .SYNOPSIS... CROSSING LOW PRESSURE WILL BRING WIDESPREAD SNOW SUNDAY THROUGH MONDAY. && .NEAR TERM /UNTIL 6 AM THIS MORNING/... FRZG DRIZZLE HAS ENDED AND ADVY HAS BEEN CANCELLED. A CROSSING SHRTWV ACRS THE ERN GT LKS WL KEEP SN CHCS ACRS THE AREA TNGT WITH LTL ACCUM. NR STEADY TEMPS EXPD USING LATEST LAMP NMBRS. && .SHORT TERM /6 AM THIS MORNING THROUGH WEDNESDAY/... A TROUGH OF LOW PRESSURE DIVING SOUTH ACROSS THE MIDWESTERN STATES ON SUNDAY WITH THE MID LEVEL LOW CENTER PROGGED TO BE OVER KENTUCKY BY SUNDAY EVENING BEFORE SHIFTING TO THE EAST THEN UP THE COAST AS A STRONG COASTAL LOW DEVELOPS OFF THE CAROLINA COAST. THE CURRENT TRACK PLACES THE MAJORITY OF THE FORECAST AREA IN A FAVORABLE LOCATION FOR MODERATE SNOW SHOWERS TO DEVELOP SUNDAY AFTERNOON THROUGH MONDAY MORNING. MODELS ARE IN FAIRLY GOOD AGREEMENT AT THIS POINT AND BASED ON THE LATEST MEAN SNOWFALL ACCUMULATION PROGS HAVE OPTED TO ISSUE A WINTER WEATHER ADVISORY MAINLY FOR AREAS ALONG AND SOUTH OF INTERSTATE 80.,,,WHERE BETWEEN 3 AND 5 INCHES OF SNOW LOOK LIKELY. && .LONG TERM /WEDNESDAY NIGHT THROUGH SATURDAY/...
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FAST MOVING CLIPPER SYSTEM WILL BRING ANOTHER ROUND OF SNOW THURSDAY INTO THURSDAY NIGHT WITH A WINTRY MIX POSSIBLE ALONG AND SOUTH OF I-70. BUMPED UP POPS TO LIKELY FOR THIS SYSTEM. UPPER LEVEL TROUGH WILL REMAIN IN PLACE INTO NEXT WEEKEND WITH WELL BELOW NORMAL TEMPERATURES. SOME IMPORTANT TIMING DIFFERENCES FOR NEXT WEEKEND WITH NEXT CLIPPER AND DELIVERY OF EVEN COLDER ARCTIC AIR INTO THE UPPER OHO VALLEY. WPC PROGS LOOKS TO BE A GOOD COMPROMISE WITH A CHANCE OF SNOW SHOWERS LATER SATURDAY THROUGH SUNDAY.
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&& .AVIATION /08Z SUNDAY THROUGH THURSDAY/...
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LOW MVFR PATCHES OF IFR CIGS ACROSS THE PORTS AND THIS LOOKS TO REMAIN INTO MIDDAY SUNDAY. FAST MOVING SHORTWAVE AND SURFACE LOW WILL PUSH INTO REGION THIS AFTERNOON WITH SNOW BEGINNING MIDDAY AND BECOMING IFR TO LOW IFR THROUGH SUNDAY NIGHT. RAIN LOOKS TO MIX IN FOR A TIME THIS AFTERNOON AND EARLY EVENING AT KMGW AND POSSIBLY KZZV BEFORE TURNING CHANGING TO ALL SNOW. .OUTLOOK.../MONDAY THROUGH THURSDAY/... RESTRICTIONS IN SNOW EXPECTED TO CONTINUE MONDAY. NEXT WIDESPREAD RESTRICTIONS THURSDAY WITH A CLIPPER SYSTEM.
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&& .PBZ WATCHES/WARNINGS/ADVISORIES... MD...WINTER WEATHER ADVISORY FROM 1 PM THIS AFTERNOON TO 1 PM EST MONDAY FOR MDZ001. OH...WINTER WEATHER ADVISORY FROM 1 PM THIS AFTERNOON TO 1 PM EST MONDAY FOR OHZ039>041-048>050-057>059-068-069. PA...WINTER WEATHER ADVISORY FROM 1 PM THIS AFTERNOON TO 1 PM EST MONDAY FOR PAZ014-020>023-029-031-073>076. WV...WINTER WEATHER ADVISORY FROM 1 PM THIS AFTERNOON TO 1 PM EST MONDAY FOR WVZ001>004-012-021>023-041. && $$

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