Area Forecast Discussion
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000 FXUS61 KPBZ 261141 AFDPBZ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PITTSBURGH PA 741 AM EDT SUN APR 26 2015 .SYNOPSIS... DRY AND COOL WEATHER CAN BE EXPECTED WITH HIGH PRESSURE TODAY. && .NEAR TERM /THROUGH TONIGHT/...
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BACK EDGE OF DEEPER MOISTURE EXITING THE SOUTHEAST RIDGES THIS MORNING WITH STILL A LOW CHANCE FOR A SHOWER. OTHERWISE ADJUSTED SKY BASED ON LATEST SAT PIX AND TRENDS. STILL EXPECT SOME DIURNAL CU TO DEVELOP AS THE DAY PROGRESSES. SURFACE HIGH PRESSURE BUILDS IN THROUGH THE AFTERNOON RESULTING IN DRY CONDITIONS WITH SUB AVERAGE TEMPERATURES. AS A SHORTWAVE MOVES SOUTH INTO THE REGION LATER TONIGHT...SLIGHT TO CHANCE POPS WERE MAINTAINED. MODEL CRITICAL THICKNESS SHOWS A FEW SNOW SHOWERS MAY MIX IN RIDGES AND FAR NORTH EARLY MONDAY MORNING.
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&& .SHORT TERM /MONDAY THROUGH WEDNESDAY/...
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SHORTWAVE MOVES SOUTH DURING THE DAY MONDAY WITH CONTINUED LOW CHANCE POPS FOR SHOWERS. CLOUDS AND NORTHERLY FLOW WILL KEEP TEMPERATURES BELOW AVERAGE. BUILDING SURFACE HIGH PRESSURE UNDER NORTHERLY FLOW ALOFT WILL RESULT IN A DRY...BUT COOL TUESDAY. CLOUDS WILL BE ON THE INCREASE SOUTH TO NORTH WEDNESDAY AS LOW PRESSURE MOVES TOWARD THE MID ATLANTIC STATES. TEMPERATURE THROUGHOUT THE ENTIRE PERIOD WERE FORECAST USING A BLEND OF NAM AND GFS MOS...WHICH WAS 5 TO 10 DEGREES BELOW THE SEASONAL AVERAGES.
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&& .LONG TERM /WEDNESDAY NIGHT THROUGH SATURDAY/... EASTERN CONUS UPPER TROUGHING IS EXPECTED TO PERSIST THROUGH THE WEEK...SO COOL WEATHER WILL PERSIST. THE BEST CHANCE FOR ADDITIONAL PRECIP...ALBEIT SMALL...IS PROJECTED FOR THURSDAY GIVEN PROJECTIONS OF A SOUTHERN STREAM LOW PHASING INTO THAT TROUGH. LITTLE CHANGE TO PREVIOUS WPC GUIDANCE WHICH WAS IN AGREEMENT WITH PREVIOUS FORECAST. && .AVIATION /12Z SUNDAY THROUGH THURSDAY/...
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GENERAL VFR FORECAST AS AREA OF MID DECK EXITS SOUTHEAST OF THE RIDGES. SCT- BKN CIRRUS CLOUDS TAKING PLACE OF THE LOWER CLOUD DECK. WITH DAYTIME HEATING...EXPECT SCT- BKN VFR CU TO DEVELOP. NORTHERLY WINDS WILL CLOCK AT AROUND 8 T0 10 KTS WITH HIGHER GUSTS POSSIBLE IN THE AFTERNOON. .OUTLOOK.../SUNDAY THROUGH THURSDAY/... RESTRICTIONS ARE POSSIBLE MONDAY WITH AN UPPER TROUGH.
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&& .PBZ WATCHES/WARNINGS/ADVISORIES... MD...NONE. OH...NONE. PA...NONE. WV...NONE. && $$

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