Area Forecast Discussion
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000 FXUS61 KPBZ 171946 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 246 PM EST Fri Feb 17 2017 .SYNOPSIS... High pressure will maintain dry and warm weather through Saturday. A weak trough is expected to cross the region Saturday night before high pressure returns through early next week. && .NEAR TERM /UNTIL 6 AM SATURDAY MORNING/... Mid and high clouds should continue to cross the region tonight in warm advection, though ridging should keep conditions dry. Lows are expected to be 10 to 15 degrees above seasonal levels. && .SHORT TERM /6 AM SATURDAY MORNING THROUGH MONDAY/... Ridging should maintain dry weather through Saturday. An upper low across the Southern Plains is progged to open into a trough and track across the Mid Atlantic region Saturday night and early Sunday. This along with a weak surface trough approaching from the north, should result in an increase in clouds, along with rain chances S of I 70. A strong ridge returns later Sunday and Monday with dry weather expected. Temperatures are expected to average 15 to 20 degrees above seasonal levels. && .LONG TERM /MONDAY NIGHT THROUGH FRIDAY/... The ridge should maintain dry and warm weather through early next week. A weakening trough advancing from the Plains is progged for approach and passage late Tuesday, returning shower chances to the forecast. Weak ridging should maintain dry weather by mid week before another approaching Midwestern returns rain chances for the end of the week. Temperatures are expected to continue to average 15 to 20 degrees above seasonal levels. && .AVIATION /20Z FRIDAY THROUGH WEDNESDAY/... VFR and light southerly wind can be expected through tonight as high pressure completes a slide across the region. Weak troughing is expected to support some MVFR restrictions on Saturday. .OUTLOOK... The next chance for widespread restrictions will be with a Tuesday cold front. && .PBZ WATCHES/WARNINGS/ADVISORIES... MD...None. OH...None. PA...None. WV...None. && $$ 07/15

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