Area Forecast Discussion
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FXUS61 KPBZ 010739
AFDPBZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
339 AM EDT SAT AUG 1 2015

.SYNOPSIS...
DRY WEATHER AND SEASONAL TEMPERATURES WILL CONTINUE THROUGH
SUNDAY.

&&

.NEAR TERM /THROUGH TONIGHT/...
WEAK SHORTWAVE AND SURFACE REFLECTION MOVING EAST OF REGION EARLY
THIS MORNING. THIS WILL ALLOW FOR AT LEAST PARTLY CLOUDY SKIES
WITH LOW HUMIDITY AND NEAR AVERAGE MAX TEMPERATURES. WEAK HIGH
PRESSURE WILL GIVE MAINLY CLEAR SKIES AND COMFORTABLE
TEMPERATURES TONIGHT.

&&

.SHORT TERM /SUNDAY THROUGH TUESDAY/...
ANOTHER DRY AND SEASONABLE DAY SUNDAY...THEN A DEEPENING AREA OF
LOW PRESSURE ALOFT ACROSS THE GREAT LAKES WILL BRING A STRONGER
SHORTWAVE TO THE REGION LATER SUNDAY NIGHT. THIS WILL BRING
INCREASING SHOWER CHANCES INTO MONDAY. UPPER TROUGH AND A COLD
FRONT WILL CROSS BY MONDAY NIGHT WITH FRONT STALLING SOUTH OF THE
MASON DIXON LINE. ANOTHER HARD TO TIME FAST MOVING WAVE WILL MOVE
ALONG THE FRONT SOMETIME TUESDAY...AND HAVE GONE WITH CHANCE POPS
ESPECIALLY ACROSS THE SOUTH CLOSER TO FRONT. A GRADUAL COOLING
TREND BY TUESDAY WITH TEMPERATURES MOVING A BIT BELOW AVERAGE.

&&

.LONG TERM /TUESDAY NIGHT THROUGH FRIDAY/...
UPPER TROUGH WILL REMAIN SITUATED OVER THE EASTERN US THROUGH THE
LONG TERM WITH SEVERAL SHORTWAVES PROGGED TO HELP DEEPEN IT THROUGH
THE PERIOD. THIS WILL LIKELY KEEP TEMPERATURES JUST SLIGHTLY COOLER
THAN SEASONAL AVERAGES. BY LATE IN THE WEEK...MODEL GUIDANCE
SUGGESTS A SURFACE WAVE COULD DEVELOP AND LIFT ACROSS THE OHIO
VALLEY LATE. BUT...WITH RUN TO RUN INCONSISTENCY OPTED TO STAY
CLOSER TO WPC GUIDANCE VALUES...WHICH KEEP CHANCE POPS THROUGH THE
BEGINNING OF NEXT WEEKEND.

&&

.AVIATION /07Z SATURDAY THROUGH WEDNESDAY/...
GENERAL VFR IS ANTICIPATED THROUGH THE PERIOD. WIND SHIFT FROM SW TO
NW IS EXPECTED BY MORNING ACROSS ALL TERMINALS. DIURNAL MIXING
SHOULD ALLOW FOR SOME GUSTS APPROACHING 15KTS BY AFTERNOON.

OUTLOOK...SATURDAY THROUGH WEDNESDAY...
RESTRICTION POTENTIAL RETURNS EARLY NEXT WEEK WITH CROSSING
DISTURBANCES.

&&

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

&&

$$


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