Area Forecast Discussion
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000 FXUS61 KPBZ 211425 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 925 AM EST FRI NOV 21 2014 .SYNOPSIS...
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COLD HIGH PRESSURE WILL BUILD IN TODAY. WIDESPREAD SHOWER CHANCES RETURN WITH A SUNDAY EVENING COLD FRONT.
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&& .NEAR TERM /UNTIL 6 PM THIS EVENING/...
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HIGH PRES WL BLD IN BEHIND AN EXITING SHRTWV TDA. A FEW SNW SHWRS OFF THE LK N OF PIT WL DCRS AS WELL...THOUGH CU RULE INDICATES COLD AIR CU/SC IS EXPD TO REDEVELOP THRU THE DAY. HIGHS WL RMN SVRL DEG BLO THE SEASONAL AVGS.
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&& .SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY/... BIG CHANGE IN THE OVERALL PATTERN THIS WEEKEND AS STRONG WAA GETS CRANKING ON SATURDAY AND CONTINUES THROUGH THE WEEKEND. SHOWERS COULD DEVELOP SATURDAY AFTERNOON ACROSS THE NORTHERN HALF OF THE AREA ALONG A PASSING WARM FRONT. MOST OF THE UPPER LEVEL SUPPORT AND DEEP MOISTURE WILL BE ACROSS THE NORTH...SO WILL PLACE THE HIGHEST POPS THERE. NOTICEABLY WARMER TEMPS ON SATURDAY. A SERIES OF WAVES WILL MOVE THROUGH SATURDAY NIGHT AND SUNDAY...KEEPING IN THE RISK FOR SCATTERED SHOWERS THROUGH THE PERIOD. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... WIDESPREAD SHOWERS WILL QUICKLY MOVE SUNDAY NIGHT. WARM PATTERN WILL CONTINUE THROUGH EARLY TUESDAY...WHEN THE NEXT FRONT WILL BRING COLDER AIR TO THE REGION FOR THE REMAINDER OF THE LONG TERM. && .AVIATION /14Z FRIDAY THROUGH TUESDAY/... LIGHT SNOW SHOWERS NORTH OF PITTSBURGH MAY RESULT IN ANOTHER BRIEF PERIOD OF MVFR CIGS AT FKL AND DUJ...BUT THE WINDOW OF OPPORTUNITY FOR THAT WILL BE GONE BY MID MORNING AS HIGH PRESSURE BUILDS IN OVER THE AREA AND VFR CONDITIONS PREVAIL. OUTLOOK.../FRIDAY THROUGH TUESDAY /... VFR CONDITIONS THROUGH SATURDAY. POSSIBLE MVFR TO IFR CONDITIONS SUNDAY NIGHT INTO MONDAY AS THE NEXT STORM SYSTEM APPROACHES. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$

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