Area Forecast Discussion
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FXUS61 KPBZ 040823
AFDPBZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
423 AM EDT FRI SEP 4 2015

.SYNOPSIS...
WARM AND HUMID CONDITIONS WILL CONTINUE THROUGH THE WEEKEND.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
REMNANTS OF OVERNIGHT COMPLEX WILL CONTINUE TO PROVIDE SOME MUCH
NEEDED RAIN TO MAINLY WESTERN PORTIONS OF THE FORECAST AREA THIS
MORNING. WITHIN THE RAIN SHIELD...ISOLATED CONVECTION WITH HEAVIER
DOWNPOURS ARE POSSIBLE UNTIL THE ACTIVITY DISSIPATES THIS MORNING.

SLIGHT TO LOW CHANCE DIURNALLY SUPPORTED CONVECTION IS AGAIN
EXPECTED TO FIRE THIS AFTERNOON AS ANOTHER WEAK SHORTWAVE SWINGS
THROUGH. NO CHANGE TO THE WARM AND HUMID AIR.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH SUNDAY/...
WARMTH AND HUMIDITY WILL CONTINUE TO PLAGUE THE REGION THIS
WEEKEND AS BROAD SURFACE HIGH IS PROJECTED TO BUILD WESTWARD
ACROSS PA UNDER A STRENGTHENING UPPER RIDGE. INCREASED SUBSIDENCE
AND WARMTH ALOFT SHOULD INHIBIT DIURNAL CONVECTION.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
THE STRONG MID/UPPER RIDGE IS PROGGED TO REMAIN THROUGH EARLY NEXT
WEEK...WITH CONTINUED WARM AND MUGGY CONDITIONS. RELIEF FROM THE
QUITE WARM CONDITIONS MAY COME WITH COLD FRONT LATER WEDNESDAY
INTO THURSDAY...AS WELL AS AN INCREASING CHANCE FOR THUNDERSTORMS.

&&

.AVIATION /09Z FRIDAY THROUGH TUESDAY/...
MVFR CONDITIONS WILL BE FAIRLY COMMON OVERNIGHT...EXCEPT IN THE
IMMEDIATE WAKE OF THE OUTFLOW BOUNDARY EMANATING SOUTHEASTWARD
ACROSS EASTERN OHIO FROM AROUND KZZV TO JUST NORTH OF KHLG.
CONDITIONS WILL BRIEFLY BE VFR THERE DUE TO ENHANCED SURFACE
MIXING. HOWEVER...RAINFALL YESTERDAY HAS ALLOWED FOR AMPLE
BOUNDARY LAYER MOISTURE TO RESIDE ACROSS ALL SITES FOR MVFR
CONDITIONS TO REDEVELOP OR CONTINUE...WITH LOCAL LIFR CONDITIONS
WHERE THE MOST RAIN FALL TODAY...SUCH AS IN THE VALLEY AROUND
KHLG. CONDITIONS WILL IMPROVE BY NOON TODAY...HOWEVER A FEW TS
WILL BE POSSIBLE BY AFTERNOON...THOUGH COVERAGE AND TIMING IS TOO
UNCERTAIN FOR ANYTHING MORE THAN PROB30 WORDING AT THE MOMENT.
FRIES

OUTLOOK...FRIDAY THROUGH TUESDAY...
BRIEF RESTRICTIONS ARE ANTICIPATED IN EARLY MORNING FOG.

&&

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

&&

$$


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