Scientific Forecaster Discussion
Area forecast discussion
National Weather Service Pittsburgh PA
425 am 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/...
high pressure will provide a seasonably cool and comfortable day.
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 /09z Thursday through Monday/...
general VFR for the taf period with the exception of patchy MVFR
fog and stratus mainly at kmgw before daybreak. Light north winds
through the period.
Outlook.../Thursday through Monday/...
advancing Great Lakes low pressure will spawn possible restrictions again by Sunday.