Area Forecast Discussion
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000 FXUS61 KPBZ 291106 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 606 AM EST MON DEC 29 2014 .SYNOPSIS... COLDER WEATHER WILL PLAGUE THE REGION THIS WEEK. && .NEAR TERM /THROUGH TONIGHT/... MINOR TWEAKS TO SKY COVER BASED ON STLT FOR THE PRE DAWN UPDT. PREVIOUS DISC...A FAIRLY SEASONAL DAY CAN BE EXPECTED AS THE ERN FLANK OF HIGH PRES SETTLES OVR THE AREA UNDR BROAD TROFG ALOFT. THE ONLY RETAINED PCPN CHCS WERE SLGT AND FOR THE HIGHEST ELEVATIONS WHERE SOME LGT SNOW SHWRS CANNOT BE RULED OUT. && .SHORT TERM /TUESDAY THROUGH THURSDAY/... COLDER AIR WL SETTLE OVR THE REGION THROUGH THE MID WEEK PD WITH NERN CONUS UPR TROFG. A SHRTWV IS PROGGED TO MOVE OFF THE GREAT LAKES ON TUESDAY NGT AND PRVD MINIMAL SNOW SHWRS CHCS...WHICH AT MOMENT HAVE BEEN CONFINED TO THE I 80 CORRIDOR WHERE MIXING LYR...ALBEIT STILL LOW...MAY BE SUFFICIENTLY DEEP WITH THE THERMAL TROF TO SPPRT SOME FLAKE FORMATION WITH THE PASSING DISTURBANCE. OTHERWISE...THE COLDER SHORT TERM TEMPS ONLY NEEDED MINOR ADJUSTMENTS BASED ON THE LATEST GUIDANCE TRENDS. && .LONG TERM /THURSDAY NIGHT THROUGH SUNDAY/... E COAST TROFG IS PROGGED TO SHIFT E OF THE RGN BY LT WK. A SWRN CONUS TROF IS PROGGED TO MOVE EWD INTO THE MID WEST AND OH VLY RGN OVR THE WKEND. FCST NO HIGHER THAN CHC POPS FOR RAIN OR SNW ATTM AS PLENTY OF QN IN SYSTEM EVOLUTION RMNS. TEMPS SHOULD WRM FM SEASONALLY COLD LVLS TO ABV AVG READINGS BY ERLY IN THE WKEND. && .AVIATION /12Z MONDAY THROUGH FRIDAY/... AREAS OF VFR WITH PTCHY MVFR SC ARE EXPD TO CONT THRU THIS EVE WITH BROAD UPR TROFG...ALTHOUGH THE SC SHOULD SCT OUT S OF I 80 WITH BLDG HIGH PRES LTR TDA. OUTLOOK.../TUESDAY THROUGH FRIDAY/... PERIODIC RSTRNS AREA PSBL THRU WED WITH COLD ADVCTN AND WK CROSSING DISTURBANCES. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$ 15/07

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