Area Forecast Discussion
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000 FXUS61 KPBZ 251909 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 309 PM EDT SAT JUL 25 2015 .SYNOPSIS... A WEAK FRONT WILL BRING A CHANCE OF SHOWERS OR THUNDERSTORMS LATE TONIGHT INTO SUNDAY. EXPECT INCREASING HUMIDITY FOR EARLY NEXT WEEK. && .NEAR TERM /THROUGH SUNDAY/... DIURNAL CU WILL DISSIPATE THIS EVENING. DEW POINTS WILL BE ON THE INCREASE OVERNIGHT AS A WEAK FRONT APPROACHES THE I-80 CORRIDOR TOWARD DAYBREAK. SLIGHT CHC POPS FOR SHOWERS NORTH TO SOUTH WITH FRONT SUNDAY MORNING...THEN A CHANCE OF SHOWERS OF THUNDERSTORMS IN THE AFTERNOON AND EVENING ESPECIALLY FROM PITTSBURGH SOUTH WITH FRONTAL CONVERGENCE AND AFTERNOON HEATING. LITTLE UPPER LEVEL SUPPORT FOR FRONT AND NO SEVERE STORMS EXPECTED. WITH INCREASING DEW POINTS...MIN TEMPERATURES WILL STAY IN THE 60S OVERNIGHT...WITH CLOUDS HOLDING TEMPERATURES IN THE LOWER TO MID 80S SUNDAY. && .SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/... FRONT WILL CLEAR THE I-70 CORRIDOR AND THE SOUTHEAST RIDGES SUNDAY EVENING WITH CHANCE POPS FOR THE EVENING THAT AREA. OTHERWISE TO START THE WORK WEEK...UPPER LEVEL RIDGE BUILDING OVER THE SOUTHERN PLAINS WILL NOSE INTO THE LOWER OHIO VALLEY INTO TUESDAY WITH WARM AND MUGGY CONDITIONS. WITH HEIGHTS RISING ALOFT AND MID LEVEL WARMING EXPECTED...ONLY ISOLATED AFTERNOON THUNDERSTORMS AT BEST IN THE RIDGES MONDAY...OTHERWISE NO POPS IN THE FORECAST. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... MODELS COMING INTO FAIRLY GOOD AGREEMENT ON UPPER LEVEL RIDGE SHIFTING WEST TOWARD THE SOUTHERN ROCKIES LATE WEEK WITH DRIER AND COOLER NORTHWEST FLOW DEVELOPING ACROSS THE EASTERN STATES. COLD FRONT WILL APPROACH WEDNESDAY NIGHT AND CROSS THE RIDGES BY THURSDAY EVENING. WENT WITH HIGHER CHANCE POPS FOR FROPA. LESS HUMID WITH SEASONAL TEMPERATURES FRIDAY INTO SATURDAY. && .AVIATION /19Z SATURDAY THROUGH THURSDAY/... LIGHT WIND AND VFR INTO THE EVENING. SCATTERED SHOWERS WILL MOVE INTO THE REGION OVERNIGHT...BUT AT THIS POINT...CONFIDENCE IS ONLY HIGH ENOUGH AT SHOWERS HITTING FKL/DUJ TO INCLUDE VCSH AT THIS TIME...WITH NO PRECIPITATION MENTIONED ELSEWHERE. SEVERAL SITES SHOULD EXPERIENCE MVFR FOG...AND HAVE ADDED IFR VISIBILITY TO ZZV CONSIDERING MODEL GUIDANCE CONSENSUS AND THAT THERE WAS SEVERAL HOURS OF IFR/LIFR FOG AT ZANESVILLE EARLIER THIS MORNING. ALL TERMINALS SHOULD RETURN TO VFR CONDITIONS BY MID SUNDAY MORNING...WITH SCATTERED SHOWERS CONTINUING THROUGH THE AFTERNOON. OUTLOOK...SUNDAY THROUGH THURSDAY... PASSING SHOWERS COULD CAUSE INTERMITTENT RESTRICTIONS SOUTH OF PITTSBURGH SUNDAY NIGHT. A COLD FRONT COULD BRING RESTRICTIONS WEDNESDAY NIGHT INTO THURSDAY. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$

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