Area Forecast Discussion
Issued by NWS

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000
FXUS61 KPBZ 270048
AFDPBZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
848 PM EDT TUE AUG 26 2014

.SYNOPSIS...
WARM TEMPERATURES WILL PERSIST THROUGH THE WEEK. A SHOWER OR STORM
WILL BE POSSIBLE THROUGH WEDNESDAY AS A WEAK COLD FRONT PASSES
ACROSS THE REGION.

&&

.NEAR TERM /THROUGH WEDNESDAY/...
DECAYING LINE OF SHOWERS AND THUNDERSTORMS ACROSS NORTH CENTRAL
OHIO COULD STILL MANAGE TO BRING SOME SCATTERED SHOWERS TO
NORTHWESTERN PENNSYLVANIA AND EASTERN OHIO LATE THIS EVENING INTO
THE EARLY MORNING HOURS. EVEN AS THE LINE COLLAPSES...WILL STILL
KEEP POPS IN THE FORECAST ACROSS THE NORTHERN HALF OF THE FORECAST
AREA WITH THE WEAK FRONTAL BOUNDARY THAT IS APPROACHING THE
REGION. NOT OVERLY CONFIDENT IN CHANCES FOR THUNDER
OVERNIGHT...BUT MODEL PROFILES SHOW THAT SOME ELEVATED INSTABILITY
WILL BE AROUND. CONSIDERING THE WEAK DYNAMICS...STILL NOT SURE
JUST HOW WIDESPREAD COVERAGE OF SHOWERS AND STORMS WILL BE ON
WEDNESDAY...ALTHOUGH LOCATIONS SOUTH OF INTERSTATE 70 SHOULD SEE
MORE COVERAGE CONSIDERING THE FAVORABLE COMBINATION OF THE FRONTAL
TIMING AND DAYTIME HEATING. LOCATIONS TO THE NORTH WILL BE A FEW
DEGREES COOLER THAN YESTERDAY SPENDING THE ENTIRE DAY BEHIND THE
COLD FRONT...WHILE LOCATIONS TO THE SOUTH COULD RISE TO TEMPS
SIMILAR TO YESTERDAYS.

&&

.SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY/...
COOLER AND DRIER AIR WILL MOVE IN ACROSS THE AREA WEDNESDAY NIGHT
WITH THE FRONTAL BOUNDARY SOUTH OF THE FORECAST AREA. HIGH
PRESSURE WILL THEN CONTINUE TO BUILD IN ACROSS THE REGION THURSDAY
AND FRIDAY...RESULTING IN DRY AND MILD CONDITIONS.

&&

.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
AN UPR RIDGE WL BEGIN TO SHIFT E SAT. MAINTAINED LOW CHC POPS FOR
CNVCTN AS INSTBY BLDS IN SRLY FLOW...THOUGH NO SGFNT UPR SPPRT IS
PROGGED. BETTER SHWR/TSTM CHCS WL BE SUN INTO MON AS A SHRTWV
ADVNS ACRS THE RGN. TEMPS WL AVG SVRL DEG ABV SEASONAL LVLS.

&&

.AVIATION /01Z WEDNESDAY THROUGH SUNDAY/...
MAINLY VFR CONDS ARE EXPD THRU WED WITH HIGH PRES IN CONTROL. A WK
CDFNT WL MOVE INTO NW PA LT TNGT WITH AN INCR IN SC AND SCT SHWRS.
A PD OF MVFR CIGS ARE PSBL N OF I 80 AFT FROPA...PRIMARILY IN THE
MORNING HOURS. THE CDFNT WL ADVN SWD THRU WED WITH SCT SHWRS.
TSTMS ARE ALSO PSBL WED AFTN MAINLY S OF PIT.

OUTLOOK.../WEDNESDAY NIGHT THROUGH SUNDAY/...
ADVNG GT LKS LOW PRES WL BRING PSBL SHWR/TSTM RSTRNS SUN.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
MD...NONE.
OH...NONE.
PA...NONE.
WV...NONE.

&&

$$






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