Scientific Forecaster Discussion

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Area forecast discussion 
National Weather Service Pittsburgh PA
1234 am EDT sun Apr 20 2014

Synopsis...
high pressure will bring warm and dry weather into Monday before a
crossing cold front brings showers Monday night into Tuesday.

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Near term /through today/...
cs associated with low pressure across the southeast will continue to thin ovrnight
and shift southeastward as high pressure builds across the northestern Continental U.S.. occasional passing
thin cirrus can be expd the rest of the day with high temperatures 5-10 degree
above seasonal levels.

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Short term /tonight through Tuesday/...
a warming trend in temperatures and continued benign weather will
continue Sunday and Monday as ridging continues to transition
across the region. A cold front will pass through Monday night and
Tuesday...with the majority of rain falling late Monday and
Tuesday morning. Precipitation is expected to be on the lighter
side...with overall quantitative precipitation forecast amounts remaining below half an inch.

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Long term /Tuesday night through Saturday/...
changes to the extended period as a cold front will be exiting
Tuesday night with only slight chance probability of precipitation. Lowered temperatures
through Wednesday as newer models show a better punch of cooler air
behind system as surface high sinks south across the eastern
states. By Thursday high will shift east allowing temperatures to
moderate back to seasonal averages. An approaching cold front will
bring a chance for showers later Thursday night but higher probability of precipitation for
Friday as system approaches. Shower chances will continue into the
weekend as an upper level trough moves into the eastern half of the
country.

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Aviation /06z Sunday through Thursday/...
VFR expected through the weekend as high pressure dominates the
northeast U.S.

Outlook.../Sunday night through Thursday/...
the next chance for restrictions is expected later Monday night and
Tuesday with a cold front.

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Pbz watches/warnings/advisories...
Maryland...none.
Ohio...none.
PA...none.
WV...none.

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