Area Forecast Discussion
Issued by NWS

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000 FXUS61 KPBZ 170458 AAC AFDPBZ AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE PITTSBURGH PA 1258 AM EDT THU APR 17 2014 .SYNOPSIS... HIGH PRESSURE WILL REMAIN IN CONTROL THROUGH FRIDAY MORNING. A WEAK SYSTEM WILL THEN PASS TO OUR NORTH FRIDAY NIGHT. && .NEAR TERM /THROUGH TODAY/... VERY LITTLE CHANGE TO OVERNIGHT PERIOD. INCREASED CLOUDS A TOUCH WITH CIRRUS SHIELD PASSING OVER. A COMBINATION OF A SURFACE HIGH TO OUR EAST AND RISING HEIGHTS ALOFT...WILL ALLOW FOR PLENTY OF SUNSHINE AND MODERATING TEMPERATURES. && .SHORT TERM /TONIGHT THROUGH SATURDAY/... UPPER LEVEL RIDGE WILL REMAIN IN CONTROL THROUGH FRIDAY MORNING. A MOISTURE STARVED COOL FRONT AND SHORT WAVE TROUGH WILL SWING THROUGH FRIDAY AFTERNOON. MODEL CONTINUE TO TREND DOWNWARD ON PRECIP CHANCES. MAIN UPPER LEVEL SUPPORT WITHIN THE HEIGHT FALLS SHIFTS WELL NORTH OF THE AREA FRIDAY EVENING. MOISTURE AT THE LOWEST LAYERS IS SPARSE AND THE SURFACE BOUNDARY LOSES MUCH OF ITS STRUCTURE WITH LITTLE SUPPORT. HAVE DECIDED TO KEEP THE AREA DRY WITH THIS FEATURE. TEMPS CONTINUE TO MODERATE FRIDAY. A BIT OF A COOL DOWN FRIDAY NIGHT AND SATURDAY...AS WEAK CAA WILL TAKE PLACE BEHIND THE COOL FRONT. SURFACE HIGH WILL BUILD IN QUICKLY ON SATURDAY...KEEPING THE AREA DRY WITH PLENTY OF SUNSHINE. && .LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/... A DRY AND WARM PATTERN EXPECTED THROUGH MUCH OF THE LONG TERM. A WEAK COLD FRONT AND ASSOCIATED LOW PRESSURE WILL BRING THE RISK FOR SHOWERS TUESDAY. A BIT OF A COOL DOWN BY THE END OF THE LONG TERM. && .AVIATION /06Z THURSDAY THROUGH MONDAY/... ALTHOUGH VFR WL CONT WITH HIGH PRES CNTRED OVR THE NERN CONUS...LGT ELY SFC WIND WL VEER TO THE SE TDA AND INCRS TWD 10 KTS AS LOW PRES DIGS OVR THE WRN LAKES. .OUTLOOK.../FRIDAY THROUGH SUNDAY/... THE NXT CHC OF RSTRNS WL COME WITH THE ADVN AND PASSAGE OF A FRIDAY NGT CDFNT. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$

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