Area Forecast Discussion
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000 FXUS61 KPBZ 091853 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 253 PM EDT WED JUL 9 2014 .SYNOPSIS...
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A WEAK COLD FRONT WILL EXIT THE REGION THIS EVENING...FOLLOWED BY BUILDING HIGH PRESSURE TO END THE WEEK.
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&& .NEAR TERM /UNTIL 6 AM THURSDAY MORNING/...
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A SECONDARY CDFNT WL EXIT THE RGN THIS EVE. INSTBY AND MOISTURE IS LACKING SO ONLY AN ISOLD SHWR IS PSBL THIS EVE. HIGH PRES WL BEGIN TO BLD IN OVRNGT. LOW SHOULD BE A COUPLE DEG BLO AVG.
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&& .SHORT TERM /6 AM THURSDAY MORNING THROUGH SATURDAY/...
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SFC HIGH PRES WL BLD IN THRU FRI WITH NR OR SLGTLY BLO AVG TEMPS. A WK UPR TROF WL CROSS THE GT LKS THU...BUT ONLY AREA THAT MAY HAVE ENOUGH MOISTURE/SPPRT FOR LOW CHC POPS FOR SHWRS WL BE IN THE RIDGES SE OF PIT. THE HIGH WL SHIFT E SAT WITH SRLY FLOW AND WRMG TEMPS.
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&& .LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
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SHOWER/STORM CHANCES WILL INCREASE SUNDAY/MONDAY WITH THE APPROACH AND PASSAGE OF A COLD FRONT. TEMPS AND HUMIDITY LEVELS WILL INCREASE ON THE EASTERN SIDE OF SURFACE BOUNDARY UNTIL WE COOL DOWN AND DRY OUT ON TUESDAY AND WEDNESDAY.
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&& .AVIATION /19Z WEDNESDAY THROUGH MONDAY/...
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HIGH CONFIDENCE FOR THE DAYLIGHT HOURS OF VFR...MEDIUM CONFIDENCE IN IFR DUE TO PREDAWN FOG. VIS RESTRICTIONS COULD VARY BY AN HOUR OR TWO THAN WHAT IS FORECAST. SURFACE COLD FRONT CROSSES LATER THIS AFTERNOON. A LINE OF SHOWERS WITH ISOLATED THUNDER COULD DEVELOP...HOWEVER CONFIDENCE IS TOO LOW FOR INCLUSION OF ANY PCPN AT THE TERMINALS. WINDS WILL BE GUSTY FROM THE WSW...BUT WILL SUBSIDE WITH THE ONSET OF DUSK AROUND 0Z. HIGH PRESSURE BUILDS IN TONIGHT ALLOWING FOR CALM WINDS AND DEVELOPMENT OF FOG. ENOUGH CONFIDENCE FROM THE ENTIRE GUIDANCE SUITE TO INSERT IFR FG AT HISTORICALLY FAVORED LOCATIONS OF ZZV...MGW...HLG...AND FKL. KEPT THE REMAINING AIRPORTS AT MVFR OR BETTER DUE TO LACK OF A NEAR BY WATER SOURCE. ANY MORNING FOG WILL BURN OFF BETWEEN 13-14Z AND LEAVE VFR. .OUTLOOK.../THURSDAY THROUGH MONDAY/... RESTRICTIONS IN SHOWERS AND THUNDERSTORMS ARE POSSIBLE SUNDAY/MONDAY.
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&& .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$ 07/98

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