Area Forecast Discussion
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000 FXUS61 KPBZ 110111 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 911 PM EDT THU JUL 10 2014 .SYNOPSIS... AN UPPER LEVEL DISTURBANCE WILL EXIT THIS EVENING. HIGH PRESSURE WILL BUILD IN ON FRIDAY. THE NEXT FRONTAL SYSTEM ARRIVES THIS WEEKEND. && .NEAR TERM /THROUGH FRIDAY/... CUMULUS HAS QUICKLY DISSIPATED THIS EVENING WITH JUST A FEW CLOUDS REMAINING ACROSS NORTHEAST OHIO AND THE PA/WV/MD RIDGES. THIS CLOUD COVER WILL FADE OVER THE NEXT FEW HOURS AS SURFACE HIGH STARTS TO APPROACH. EXPECTING VALLEY FOG TO FORM LATER TONIGHT AS LOW TEMPS SHOULD BE ABLE TO BROACH CROSSOVER THRESHOLDS. WITH DECENT RADIATIONAL COOLING...LEANED TOWARD COOLER MAV TEMPS. MOISTURE PROFILE FOR FRIDAY IS SIMILAR TO TODAY. WITH HIGH PRESSURE IN PLACE AND LITTLE TO NO UPPER SUPPORT...EXPECT THAT IT WILL TAKE SOME ELEVATION TO REALIZE MODEST INSTABILITY AND FIRE SHRA DURING AFTERNOON HEATING. THUS KEPT A SLIGHT CHANCE POP ALONG THE RIDGES. GENERALLY STAYED CLOSE TO MOS FOR HIGH TEMPS. CL && .SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY/... SFC HIGH PRES WL SHIFT E FRI NGT AND SAT WITH SRLY FLOW DVLPG. SEVERAL SHRTWVS WL CROSS THE GT LKS AND UPR OH VLY RGN SAT NGT AND SUN WITH SHWR AND TSTM CHCS RTNG AS MOISTURE AND INSTBY INCR. TRENDED POPS UPWD BUT WITH TIMING UNCERTAINTY IN THE ADVNG WAVES KEPT POPS IN THE HIGH CHC CATEGORY. TEMPS SHOULD RTN TO ABV SEASONAL LVLS. && .LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/... SHWR AND TSTM CHCS WL CONT AS A SERIES OF UPR LVL DISTURBANCES CROSSES THE RGN AHD OF A SLOW MOVG CDFNT. THE FNT WILL FINALLY CROSS THE AREA TUE. SFC HIGH PRES WL THEN BLD IN THRU THU UNDER A GT LKS UPR TROF WITH COOLER AND DRIER CONDS. && .AVIATION /01Z FRIDAY THROUGH TUESDAY/... EXPECTING A ROUND OF VALLEY FOG TONIGHT AS WINDS REMAIN LIGHT AND SKIES CLEAR. MVFR TO IFR CONDITIONS MOST LOCATIONS ALTHOUGH SPOTS LIKE MGW...FKL...AND DUJ COULD REACH LIFR. FOG SHOULD LIFT BY 13-14Z WITH SCT VFR CU ONCE AGAIN DEVELOPING. .OUTLOOK.../FRIDAY THROUGH TUESDAY/... RESTRICTIONS IN SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE SUNDAY/MONDAY. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$

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