Scientific Forecaster Discussion
Area forecast discussion
National Weather Service Pittsburgh PA
738 am EDT Wednesday Sep 2 2015
warm and humid conditions will continue through the week with
isolated...mainly afternoon showers and thunderstorms.
Near term /until 6 PM this evening/...
an upper level shortwave is prognosticated to cross the area
today...bringing isolated to scattered showers. With daytime
heating a few thunderstorms are possible mainly this
afternoon...though model prognosticated instability is limited. Highs
should continue 5 to 10 degrees above seasonal levels.
Short term /6 PM this evening through Friday/...
Ridge establishes itself again late tonight through Friday. Again
isolated showers/storms could develop with the heat of the
day...particularly late in the afternoon Thursday...as another
weak disturbance brushes the area.
Warm and humid for the duration of the short term.
Long term /Friday night through Tuesday/...
the strong middle/upper ridge is prognosticated to rebuild through the long
term period. Relief from the dry and warm conditions may come
with a middle week cold front.
Aviation /12z Wednesday through Sunday/...
VFR conditions can be expected with exceptions for isolated
convection and peri-dawn fog.
Outlook...Wednesday night through Sunday...
brief restrictions are anticipated with peri-dawn fog and