Scientific Forecaster Discussion
Area forecast discussion
National Weather Service Pittsburgh PA
1216 am EDT Thursday Oct 23 2014
upper low pressure will continue to push east...allowing a high
to build in with dry and milder weather into the weekend. A cold
front may bring a few showers to the area late this weekend.
Near term /through today/...
a few holes in overcast but basically stratus will remain across
the region overnight into midday Thursday as closed low continues
to spin off the New England coast. System will slowly edge east
Thursday afternoon with drier air and subsidence eroding clouds in
the afternoon. Expect skies to begin to clear west to east
through the afternoon. Temperatures steady overnight in the 40s and
upper 30s...recovering into the middle and upper 50s Thursday afternoon.
Short term /tonight through Saturday/...
models continue to indicate shortwave ridging will push east across
the area Thursday night into Friday. A shortwave will then push
across Friday into Friday night. Some of the models indicate spotty
precipitation with this feature...and have slight chance probability of precipitation across
northwest PA on Friday.
Models then indicate a cold front will push southeast into the
region on Saturday. After dry weather Friday night...have
re-introduced slight chance probability of precipitation across the northern zones for
Long term /Saturday night through Wednesday/...
ridging across the central Continental U.S. Will move to the eastern Continental U.S. Through Erly
next weak keeping dry weather in the forecast. A weakening trough is prognosticated for a
middle weak passage as the ridge shifts east. Seasonally cool weekend temperatures
are experimental to increase to above average levels by Erly next weak.
Aviation /04z Thursday through Monday/...
mainly MVFR SC will continue in north flow around East Coast low pressure. The ceilings
should gradually erode later this morning as drier air begins to move in as
the low drifts NE...rtng VFR conds to the region.
Aviation /Friday through Monday/...
no widespread rstns expd.