Area Forecast Discussion
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000 FXUS61 KPBZ 231429 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 1029 AM EDT WED APR 23 2014 .SYNOPSIS... A COOLER PATTERN FOR THE REST OF THE WEEK. THE NEXT CHANCE FOR SHOWERS WILL ARRIVE FRIDAY WITH THE PASSAGE OF ANOTHER FRONT. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... THE SHORTWAVE TROUGH HAS MOVED EAST BUT DUE TO COLD NORTHWEST FLOW...STRATOCU CONTINUES TO LINGER OVER THE REGION. HOWEVER...CLOUD COVERAGE WILL BEGIN TO DECREASE BY THE AFTERNOON AS DRY AIR BEGINS TO ENTRAIN ACROSS THE REGION WITH HIGH PRESSURE BUILDING FROM THE WEST. TEMPERATURES WILL REMAIN WELL BELOW NORMAL DESPITE SUN EXPOSURE. && .SHORT TERM /6 PM THIS EVENING THROUGH FRIDAY/... DRY SURFACE HIGH WILL SWING THROUGH THE AREA TONIGHT AND THURSDAY. AN OPTIMAL SETUP FOR RADIATIONAL COOLING TONIGHT ALLOWING FOR TEMPS TO DROP WELL BELOW NORMAL. TEMPS MODERATE THURSDAY WITH PLENTY OF SUNSHINE AND WEAK WAA. FAST MOVING COOL FRONT WILL CROSS THE AREA LATE THURSDAY NIGHT AND FRIDAY MORNING. SHOWERS WILL CROSS THE REGION WITH FRONTAL PASSAGE. THE BOUNDARY IS ASSOCIATED WITH AN OCCLUDED SYSTEM WHICH WILL SWING THROUGH THE UPPER GREAT LAKES ON FRIDAY. DUE TO THE OVERALL STRUCTURE OF THE SYSTEM...THE AIR BEHIND THE FRONT IS NOT MUCH COOLER THEN THE AIR MASS THAT WILL BE IN PLACE AHEAD OF IT. THERE WILL BE A WIND SHIFT...BUT TEMPS WILL RECOVER NICELY FRIDAY WITH PLENTY OF SUNSHINE IN THE AFTERNOON. && .LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/... A SECONDARY FRONT WILL SWING THROUGH LATE FRIDAY NIGHT. THIS FRONT WILL HAVE MUCH STRONGER CAA BEHIND IT. WILL INCLUDE CHANCE POPS WITH THE PASSAGE OF THIS BOUNDARY FRIDAY NIGHT. WITH THE COLD FRONT INTO EASTERN PENNSYLVANIA BY SATURDAY MORNING...SHOWERS SHOULD BE ON THE DECLINE...ALTHOUGH WESTERLY FLOW WILL KEEP MOSTLY CLOUDY SKIES AND ISOLATED SHOWERS THROUGH THE DAY. CLOUDS SHOULD THEN DIMINISH SATURDAY NIGHT INTO SUNDAY. THE NEXT SYSTEM DEVELOPING ACROSS THE CENTRAL PLAINS WILL SLOWLY DRIFT EAST. THE SYSTEM WILL BRING A CHANCE OF RAIN BY MONDAY NIGHT...WITH SCATTERED SHOWERS AND BELOW NORMAL TEMPERATURES CONTINUING THROUGH THE REST OF THE PERIOD. && .AVIATION /15Z WEDNESDAY THROUGH SUNDAY/... STRATOCUMULUS WILL REMAIN THROUGH THE LATE MORNING...WITH PRIMARILY MVFR CIGS. FKL SHOULD DROP TO IFR...WITH ZZV/MGW POSSIBLY REMAINING VFR THROUGHOUT. CIGS SHOULD THEN SCATTER OUT THROUGH THE COURSE OF THE DAY...WITH SKIES BECOMING CLEAR BY SUNSET. OCCASIONAL GUSTS TO 15-20 KT CAN BE EXPECTED OVERNIGHT THROUGH MID MORNING...WITH MOST LOCATIONS SEEING WINDS GUST TO 20-25 KT THROUGH THE AFTERNOON. WINDS WILL DROP BELOW 10 KTS BY THIS EVENING. .OUTLOOK.../WEDNESDAY NIGHT THROUGH SATURDAY/... VFR CONDITIONS WILL CONTINUE INTO EARLY FRIDAY...BEFORE BOUNDARY WILL BRING RESTRICTIONS. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$

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