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fxus61 kpbz 231218 

Area forecast discussion
National Weather Service Pittsburgh PA
818 am EDT sun Apr 23 2017

high pressure should maintain dry weather today. Low pressure
is expected to track along the East Coast, resulting in
periodic rain chances mainly east of I 79 for the start of the
new work week.


Near term /until 6 PM this evening/...
forecast remains on track for the mid-morning update. Valley fog
will quickly erode, leaving the area satellite depiction free of
clouds. Surface high pressure will keep dry weather in the
forecast through today as a cut-off low churns into the
southeast U.S. This low will have little impact to the area in
the near term, adding only some mid and upper level clouds to
our mountain zones through the evening. Any rain chances look to
hold off until after sunset tonight.

Abundant sunshine through the day will result in high
temperatures topping out a few degrees above normal.


Short term /6 PM this evening through Tuesday night/...
the low is forecast to dig toward the southeastern Continental U.S. Before
tracking up the East Coast during the first half the week. This
scenario should confine rain chances initially to the I 68
corridor tonight with that area on the nrn periphery of the low.
Eventual nwd progression of rain chances Mon and Tue with the
area east of I 79 on the wrn periphery of the low as it tracks
along the coast. Temperatures should average a few degrees above
seasonal levels through the period.


Long term /Wednesday through Saturday/...
ridging and rising heights in response to an approaching
midwestern trough should result in dry and warm weather for mid
week. The flow is progged to amplify by late week as broad low
pressure develops over the western Continental U.S.. embedded shortwaves in
moist southwest flow aloft should return periodic rain chances
by late week and the weekend. Temperatures are expected to
average 10-15 degrees above average.


Aviation /12z Sunday through Thursday/...
VFR conditions are expected throughout the taf period. Light
winds will become northeast under 10 kts today.

the next chance for general restrictions is expected with mid
week low pressure.


Pbz watches/warnings/advisories...

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