Scientific Forecaster Discussion
Area forecast discussion
National Weather Service Pittsburgh PA
1226 PM EDT Thursday Aug 28 2014
a cooler and drier end to the week. Warmth...humidity...and the
risk for showers and storms returns for the weekend.
Near term /until 6 PM this evening/...
revised temperatures down slightly for the remainder of the day
based off of latest observational trends but otherwise no change
was needed to the ongoing forecast. High pressure in control.
Short term /6 PM this evening through Saturday/...
high pressure will remain in control Friday. Temperatures will
warm...but conditions will remain comfortable.
High will drift eastward Saturday allowing for a strong
southwesterly flow in the lower levels. Humidity and temperatures
will rise and an afternoon shower or storm can't be ruled out.
Long term /Saturday night through Wednesday/...
several disturbances embedded in zonal flow aloft will keep occasional shower
and thunderstorm chances through much of the long term period. The best chances for
precipitation will be with stronger waves sun and toward middle weak. Temperatures should
average several degree above the seasonal levels.
Aviation /12z Thursday through Monday/...
VFR with winds less than 5 knots.
Outlook.../Thursday through Monday/...
low pressure passing Sunday will bring showers and scattered
thunderstorms leading to MVFR restrictions.