Area Forecast Discussion
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000 FXUS61 KPBZ 281351 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 951 AM EDT FRI AUG 28 2015 .SYNOPSIS... WARMER WEATHER CAN BE EXPECTED FOR THE WEEKEND AS HIGH PRESSURE BUILDS. RAIN CHANCES RETURN SATURDAY NIGHT AND SUNDAY WITH A WEAK COLD FRONT. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... BUILDING HIGH PRESSURE WILL PROVIDE PLENTIFUL SUNSHINE. TEMPERATURES WILL WARM TO NEAR THE SEASONABLE AVERAGES. NO MAJOR CHANGES WERE NEEDED. && .SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY/... 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. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... A STRENGTHENING HIGH PRESSURE RIDGE IS FORECAST TO WARM TEMPERATURES AND SUPPRESS PRECIP NEXT WEEK. TWEAKED WPC GUIDANCE WAS USED FOR THE LONG TERM PERIOD. && .AVIATION /14Z FRIDAY THROUGH TUESDAY/... VFR AND LIGHT WIND CAN BE EXPECTED UNDER BUILDING HIGH PRESSURE WITH EXCEPTIONS FOR NEAR-DAWN FOG. OUTLOOK...SATURDAY THROUGH TUESDAY... BRIEF RESTRICTIONS IN SCATTERED CONVECTION ARE POSSIBLE ON SATURDAY NIGHT AND SUNDAY. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$

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