Scientific Forecaster Discussion
fxus61 kpbz 191110
Area forecast discussion
National Weather Service Pittsburgh PA
710 am EDT Thu Oct 19 2017
high pressure will maintain dry and warm weather through the
Near term /until 6 PM this evening/...
only minor tweaks to sky cover and hourly temps/dewpoints, with
no other changes needed. High pressure will maintain dry and
warm weather. Only difference today, will be the occasional wind
gusts during the afternoon.
Short term /6 PM this evening through Saturday/...
the building high pressure dome will continue to moderate
temperatures through the weekend. Expect afternoon highs
approximately 15 degrees above average as the dry spell
Long term /Saturday night through Wednesday/...
high pressure will push east allowing a cold front to reach the area
late Sunday night into Monday, with a second cold front pushing east
by Tuesday. Models also indicate an upper level trough should
build across the region late in the period.
Expect precipitation chances will increase from the west Sunday
night with unsettled weather through the remainder of the period.
Temperatures aloft will become quite cool/cold with the trough
building in. However, surface temperatures should act to keep
the precipitation in the form of a cold rain.
Aviation /11z Thursday through Monday/...
high pressure will maintain VFR today. By afternoon, a somewhat
tighter pressure gradient, will support gusts around 15 to
restrictions are likely with a Monday cold front.