Area Forecast Discussion
Issued by NWS

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000 FXUS61 KPBZ 251154 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 654 AM EST THU DEC 25 2014 .SYNOPSIS... A WEAK DISTURBANCE WILL CROSS THE AREA THIS MORNING...FOLLOWED BY BUILDING HIGH PRESSURE TO END THE WEEK. && .NEAR TERM /UNTIL 6 PM THIS EVENING/...
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GUSTY WINDS WILL CONTINUE THROUGH MUCH OF THE DAY UNTIL THE PRESSURE GRADIENT BEGINS TO RELAX LATER IN THE AFTERNOON. AN UPPER TROUGH PASSING OVER THE FORECAST AREA WILL RESULT IN SCATTERED SNOW SHOWERS THIS MORNING BUT NO SIGNIFICANT ACCUMULATIONS ARE EXPECTED. TEMPERATURES WILL BE NEAR CLIMO NORMS.
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&& .SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY/... ERN CONUS HIGH PRES IS EXPD TO BRING DRY WEA INTO SAT. THE NXT SHRTWV AND ASSOCIATED CDFNT IS PROGGED FOR A SAT NGT/SUN PASSAGE. TRENDED POPS UPWD...BUT MAINTAINED HIGH CHC AS TIMING AND AMT OF AVAIL MSTR RMNS IN QN. CRITICAL THICKNESSES INDICATE PCPN SHOULD BE MAINLY RAIN...THOUGH A MIX OR CHG OVR TO SNW COULD OCCUR AS THE SYSTEM EXITS. ABV SEASONAL AVG TEMPS ARE EXPD. && .LONG TERM /SUNDAY NIGHT THROUGH WEDNESDAY/...
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THE MAJORITY OF THE UPCOMING WEEK WILL BE DRY WITH SEASONAL TEMPERATURES AS ZONAL FLOW SETS UP ACROSS THE EASTERN CONUS. A WAVE DROPPING SOUTH ACROSS EASTERN CANADA OVER THE SECOND HALF OF THE WEEK COULD POTENTIALLY RESULT IN A STEEPER DROP IN TEMPERATURES AND MORE PRECIPITATION THAN CURRENTLY FORECAST...HOWEVER...LATEST GUIDANCE IS IN RELATIVELY GOOD AGREEMENT THAT THIS FEATURE WILL REMAIN TOO FAR NORTH TO HAVE A MAJOR IMPACT. AS
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&& .AVIATION /12Z THURSDAY THROUGH MONDAY/...
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MVFR CIGS TO PERSIST THROUGH THE DAY IN COLDER AIR BEHIND THE RECENT COLD FRONT...BEGINNING TO IMPROVE BY LATE THIS AFTERNOON. WINDS WILL REMAIN GUSTY THROUGH A LARGE PART OF THE DAY BEFORE THE SFC PRESSURE GRADIENT BEGINS TO RELAX. OUTLOOK.../THURSDAY THROUGH SUNDAY/... NEXT OPPORTUNITY FOR FLIGHT RESTRICTIONS LOOKS MOST LIKELY SATURDAY NIGHT THROUGH SUNDAY MORNING AS THE NEXT FRONTAL SYSTEM QUICKLY PASSES ACROSS THE REGION.
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&& .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$

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