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Area Forecast Discussion
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000
FXUS61 KPBZ 180435
AFDPBZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
1235 AM EDT FRI APR 18 2014

.SYNOPSIS...
-- Changed Discussion --A WEAK COLD FRONT WILL BRING A FEW CLOUDS TODAY...THEN HIGH
PRESSURE WILL BUILD IN FOR THE WEEKEND.-- End Changed Discussion --

.NEAR TERM /UNTIL 6 AM THIS MORNING/...
-- Changed Discussion --EXP DRY WEA TNGT WITH PASSING HIGH CLDS AHD OF THE NXT WK APRCHG
CDFNT. NOT OPTIMAL FOR RADIATIONAL COOLING TNGT WITH WNDS ABV THE
SFC 20-30KT...SO INCRD LOW TEMPS TO NR SEASONAL AVGS.-- End Changed Discussion --

.SHORT TERM /6 AM THIS MORNING THROUGH MONDAY/...
-- Changed Discussion --A WK CDFNT WL CROSS THE GT LKS RGN THIS AFTN...BUT WITH LTD
MOISTURE AND UPPR SPPRT WENT WITH A DRY FCST...THOUGH AN INCR IN
CLDS IS EXPD. AFT FROPA...EXP HIGH PRES TO BLD IN THRU THE WKEND.
TEMPS WL BE NR SEASONAL LVLS UNTIL SUN...WHEN SRLY FLOW AND WRM
ADVCTN RTN TEMPS TO SVRL DEG ABV AVG. A WK SHRTWV WL BEGIN TO
APRCH LTR MON BRINGING AN INCR IN CLDS.-- End Changed Discussion --

.LONG TERM /MONDAY NIGHT THROUGH THURSDAY/...
-- Changed Discussion --SHWR CHCS HAVE BEEN RETAINED FOR TUESDAY AS MDLS CONT TO INDICATE
PASSAGE OF A SHRTWV TROF AND ASSOCIATED WEAK CDFNT. AMPLIFYING
SHRTWV RIDGE...IN RESPONSE TO DEEPENING MTN STATES AND PLNS
LOW...IS THEN EXPECTED TO DOMINATE THE MID WEEK PDS WITH WARM AND
DRY CONDITIONS. THEREAFTER...THAT LOW WL BE PROGRESSING
EWD...HENCE UPR OH PCPN CHCS WL BE ON THE INCRS AS THE WEEKEND
APRCHS.-- End Changed Discussion --

.AVIATION /06Z FRIDAY THROUGH TUESDAY/...
-- Changed Discussion --VFR WEA IS EXPECTED TO CONT THROUGH TNGT DESPITE PASSAGE OF A
CDFNT. WITH SPARSE MSTR AND LTD DYNAMICS...THE PRIMARY FRONTAL
EFFECT WL BE A WIND SHIFT TO THE NW BY THIS EVE.

.OUTLOOK.../FRIDAY NIGHT THROUGH TUESDAY/...
THE NXT CHC FOR RESTRICTIONS IS EXPECTED WITH A TUESDAY CDFNT.-- End Changed Discussion --

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

07/15

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