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NWS Area Weather Forecast Discussion
County Warning Area [CWA]: PBZ
Regional NWS Weather Office: Pittsburgh, PA

FXUS61 KPBZ 010114

Area Forecast Discussion
National Weather Service Pittsburgh PA
914 PM EDT Tue Mar 31 2020

Light showers will linger through Wednesday for southern portions of
the region as low pressure passes to our south. Dry weather with
high pressure is then expected for the latter half of the week.
Temperatures will gradually increase through the weekend.


Made minor changes to hourly temperatures and PoPs for the evening
update. Otherwise the forecast is on track. Radar continues to show
light showers across much of the area, with more widespread
stratiform coverage across southern zones. Coverage of showers
should gradually diminish overnight.

Latest global/hi-res model runs show lingering low-level moisture
across southern portions of the area through Wednesday evening. With
northerly winds and broad upslope ascent, showers with light QPF will
be possible through Wednesday afternoon. Added chance/slight chance
PoPs to the Wed forecast mainly south and east of PIT.

Previous... Rain chances are expected to increase through the
evening with the approach of a sfc low from the South. The best
support for large scale ascent will be in the Southern half of the
CWA where the ageostrophic jet circulation and omega are focused, but
overall accumulation will be light. Temperature will drop near the
norm tonight and with it, any light precipitation in places near
freezing may see light snowfall of up to a couple tenths of an inch,
most likely in Eastern Tucker county.


Dry weather and clearing skies are expected through the short term
as high pressure builds across the region. Temperature is expected to
increase to near the seasonal threshold.


High pressure should maintain dry weather through Saturday with what
looks like a pretty stationary ridge blocked by western CONUS/New
England troughing. Temperature is expected to return above average
readings through the long term period as subsidence and sunshine will
be abundant.


MVFR/low VFR ceilings will continue through this evening as weakening
surface low pressure approaches. Some generally light rain is
expected, mainly south of PIT, but visibility should remain MVFR at
worst. Lingering low-level moisture will allow ceilings to fall
overnight, with low MVFR/IFR restrictions anticipated, along with
some light mist. Some improvement is expected with daytime mixing by
midday Wednesday. Wind will remain light throughout.

No widespread IFR weather is forecast.





Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather