Area Forecast Discussion
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000 FXUS61 KPBZ 171022 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 622 AM EDT THU APR 17 2014 .SYNOPSIS... HIGH PRESSURE WILL MAINTAIN DRY WEATHER AND SEASONABLE TEMPERATURES INTO THE WEEKEND. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... ONLY CHANGES NEEDED FOR THE PREDAWN UPDATE WERE TWEAKS TO HOURLY TRENDS OF TEMPS AND WIND. PREVIOUS... A COMBINATION OF A SURFACE HIGH TO OUR EAST AND RISING HEIGHTS ALOFT...WILL ALLOW FOR PLENTY OF SUNSHINE AND MODERATING TEMPERATURES. && .SHORT TERM /6 PM THIS EVENING 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 /10Z THURSDAY THROUGH MONDAY/... ALTHOUGH VFR WL CONT FOR THE TAF PD...NEW ENGLAND HIGH AND WRN GREAT LAKES LOW WL SPPRT SUSTAINED SELY SFC WIND NR 10 KTS TDA. .OUTLOOK.../FRIDAY THROUGH SUNDAY/... GENL IFR IS NOT EXPECTED THROUGH THE WEEKEND. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$ 15

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