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000
FXUS61 KPBZ 182236
AFDPBZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
636 PM EDT SAT MAY 18 2013

.SYNOPSIS...
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A SERIES OF SLOW MOVING DISTURBANCES WILL BRING PERIODIC SHOWER
AND THUNDERSTORM CHANCES INTO THE UPCOMING WEEK.
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&&

.NEAR TERM /THROUGH SUNDAY/...
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SCT SHWRS/TSTMS S OF PIT WL BE DCRG IN COVG AND INTENSITY WITH
SUNSET AS INSTAB DCRS. WL KEEP SHWR CHCS SE OF PIT OVRNGT WHERE
MORE FAVORABLE MOISTURE AND LIFT SHOULD PERSIST AS A MID AND UPR
LVL SHRTWV APRCHS. EXP SIMILAR CONDS SUN AS THE SHRTWV DRIFTS
EWD...WITH DIURNALLY DRIVEN SHWR/TSTM CHCS MAINLY S OF I 80. TEMPS
WL REMAIN ABV SEASONAL AVGS.
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&&

.SHORT TERM /SUNDAY NIGHT THROUGH MONDAY NIGHT/...
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THE MID AND UPR LVL SHRTWV WL CONT TO MOVE SLOWLY E...PUSHING E OF
THE AREA MON NGT. EXP SHWRS/TSTM CHCS TO CONT...ESP IN THE AFTN
AND ERLY EVE DURING BEST PERIOD OF INSTAB. TEMPS EXPD TO BE WELL
ABV SEASONAL AVGS.
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&&

.LONG TERM /TUESDAY THROUGH SATURDAY/...
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MAINLY DIURNALLY DRIVEN SHWR/TSTM CHCS WL CONT INTO WED. BEST
FOCUS FOR ACTIVITY IS EXPD TO BE N OF THE AREA ALG A SFC BOUNDARY.
THE NEXT CDFNT IS EXPD TO MOVE ACRS THE RGN THU INTO THU NGT CONTG
THE SHWRS/TSTMS. MUCH ABV AVG TEMPS ARE EXPD TO FALL TO SEASONAL
LVLS BY NEXT WEEKEND.
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&&

.AVIATION /22Z SATURDAY THROUGH THURSDAY/...
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GENL VFR CONDS CONTG INTO THE EVE AS SCT SHWRS/TSTMS S OF PIT
DMNSH. EXP LOW END VFR STRATOCU TO DVLP OVRNGT AT MOST SITES...
ALTHOUGH DUJ AND PSBLY FKL SHOULD SEE MVFR DCRG TO IFR ERLY SUN
MRNG. LOW END VFR STRATOCU EXPD TO CONT INTO SUN...AND DUJ/FKL
SHOULD ALSO IMPROVE TO VFR BY LT MRNG. A SLOW MOVG UPR WAVE WL
BRING SCT SHWRS AND A FEW TSTMS ESP SUN AFTN. LOW CONFIDENCE IN
TIMING/PLACEMENT OF ANY TSTMS SUN SO NO MENTION IN TAFS ATTM.

.OUTLOOK.../SUNDAY NIGHT THROUGH THURSDAY/...
SEVERAL DISTURBANCES WL BRING PERIODIC SHWR/TSTM CHCS THRU THE PD.
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&&

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

&&

$$

07