Area Forecast Discussion
Issued by NWS

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000 FXUS61 KPBZ 280519 AAC AFDPBZ AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE PITTSBURGH PA 119 AM EDT FRI AUG 28 2015 .SYNOPSIS...
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WARMER WEATHER CAN BE EXPECTED FOR THE WEEKEND AS HIGH PRESSURE BUILDS. RAIN CHANCES RETURN SATURDAY NIGHT AND SUNDAY WITH A WEAK COLD FRONT.
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&& .NEAR TERM /THROUGH TODAY/...
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SKIES WILL CLEAR OVERNIGHT AND THE ATMOSPHERE WILL BE PRIMED FOR FOG TO DEVELOP ACROSS THE AREA...SOME OF WHICH WILL LIKELY BE DENSE. WITH AN EXCELLENT RADIATIONAL COOLING SETUP...TEMPERATURES WILL BE RATHER COOL BY MORNING.
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&& .SHORT TERM /TONIGHT THROUGH SUNDAY/...
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RISING HEIGHTS AND SURFACE HIGH PRESSURE WILL PROVIDE PLENTIFUL SUNSHINE WITH A FEW DIURNAL CUMULUS. TEMPERATURES WILL RISE TO SEASONABLE LEVELS. BENIGN CONDITIONS WILL CONTINUE INTO SATURDAY WHILE SOUTHWEST FLOW AHEAD OF AN APPROACHING SHORTWAVE WILL PROMOTE INCREASING TEMPERATURES AND MOISTURE. WILL KEEP IN LATE DAY POPS IN THE WEST TO ACCOUNT FOR DIURNAL SHOWERS AND POSSIBLE THUNDERSTORMS AS THE SHORTWAVE APPROACHES AND GREATER INSTABILITY BECOMES PREVALENT. THE RISK FOR SHOWERS AND STORMS AGAIN SUNDAY AS ANOTHER SHORTWAVE APPROACHES AND WEAK SURFACE BOUNDARY SINKS SOUTHWARD. WITH TIMING OF BOTH...IT APPEARS BEST CHANCE WILL BE LATER IN THE AFTERNOON.
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&& .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
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WEAK FRONTAL BOUNDARY WILL EXIT EARLY MONDAY. A RETURN TO DRY AND WARMER WEATHER IS EXPECTED NEXT WEEK.
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&& .AVIATION /05Z FRIDAY THROUGH TUESDAY/... BUILDING HIGH PRESSURE SHOULD CONTINUE TO BRING CLEARING SKIES TONIGHT. PREDAWN MVFR FOG IS EXPECTED TO BE AN ISSUE FRIDAY MORNING AS AIR NEAR THE SURFACE BECOMES SATURATED...WITH LOCAL IFR ANTICIPATED ALSO. VFR CONDITIONS SHOULD QUICKLY RETURN BY MID MORNING FRIDAY AS THE FOG DISSIPATES. OUTLOOK...FRIDAY NIGHT THROUGH TUESDAY... NO EXTENSIVE IFR IS EXPECTED THROUGH THE WEEKEND. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$

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