Area Forecast Discussion
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000
FXUS61 KPBZ 171152
AFDPBZ

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
752 AM EDT WED SEP 17 2014

.SYNOPSIS...
DRY CONDITIONS WILL CONTINUE UNTIL THE APPROACH OF A SUNDAY FRONTAL
SYSTEM.

&&

.NEAR TERM /THROUGH THURSDAY/...
POST DAWN UPDATE FEATURED ADJUSTMENTS TO AVIATION FORECAST AS WELL
AS HOURLY TRENDS.

SFC HIGH PRES UNDR UPR ERN NORTH AMERICAN TROF WL MAINTAIN DRY AND
COOL CONDITIONS TDA.

&&

.SHORT TERM /THURSDAY NIGHT THROUGH SATURDAY NIGHT/...
SFC HIGH WL BLD OFF THE E COAST BY FRIDAY WITH SLY FLOW REINITIATING
WARM...RELATIVELY MOIST ADVCTN OVR THE UPR OHIO REGION.  THIS WL
CUMULATE IN TEMPS SURGING ABOUT 5 DEGREES ABOVE THE AVGS BY SATURDAY
AFTN...ALTHOUGH DRY CONDITIONS WL CONT UNTIL THE APPRCH OF THE
SUNDAY CDFNT.

&&

.LONG TERM /SUNDAY THROUGH TUESDAY/...
THE APPRCH OF A SHRTWV/ASSOCIATED CDFNT ON SUNDAY IS EXPECTED TO
GENERATE THE NXT CHC FOR SHWRS OVR THE REGION WHILE PASSAGE SHOULD
SURGE COOLER AIR BACK OVR THE REGION AFTR THE SATURDAY WARM UP.
MDLS AGREE THAT E COAST UPR TROFG WL LINGER INTO MIDWEEK WITH NW
FLOW OFF THE GREAT LAKES...BUT DIVERGE SIGNIFICANTLY IN AMPLITUDE
PROJECTIONS OF THAT TROF. THE LONG TERM FORECAST IS THUS OF
PERSISTENCE WITH DRY AND COOL CONDITIONS CONTG.

&&

.AVIATION /12Z WEDNESDAY THROUGH SUNDAY/...
VFR CONDITIONS AND LGT SFC WND UNDR HIGH PRES WL ONLY BE MARRED BY
SHALLOW FOG THIS MRNG.

OUTLOOK...THURSDAY THROUGH SUNDAY...
THE NXT CHC FOR GENL RESTRICTIONS WL COME WITH A SUNDAY CDFNT.

&&

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

&&

$$

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