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FXUS61 KPBZ 190945
AFDPBZ

Area Forecast Discussion
National Weather Service Pittsburgh PA
545 AM EDT Thu Sep 19 2019

.SYNOPSIS...
High pressure will maintain dry weather through the weekend. Rain
chances return Sunday night and Monday with a crossing cold front.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
Updated the early morning temperatures based on current obs and near
term model data. Otherwise, high pressure across the region should
maintain sunny skies today. Highs are expected to be a few degrees
above the seasonal average, with dew points continuing in the 40s and
50s.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH SATURDAY/...
Mid and upper ridging is expected to build further across the Upper
OH Valley region through Saturday, as the sfc high drifts south.
Rising heights and SW flow should result in a warming trend through
the period. Some models indicate some showers developing Saturday
with a brief flattening of the ridge. Maintained a dry forecast given
the strength of the ridge, and with model progged soundings
unfavorable for precip.

&&

.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
Ridging should maintain dry and warm weather Sunday. The ridge is
progged to break down Sunday night as a trough tracks east out of
the Plains. The trough, and its associated cold front, should return
scattered showers to the forecast as they track across the Upper OH
Valley region. Dry and cooler weather should then return Tue and Wed
as sfc high pressure builds under NW flow aloft.

&&

.AVIATION /10Z THURSDAY THROUGH MONDAY/...
VFR conditions are expected through the TAF period with high pressure
and dry air in place. The exception is for isold areas of river
valley steam fog, which may affect FKL early this morning.

.Outlook...
Restrictions are possible with a Sun night/Mon cold front.

&&

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

&&

$$
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