Area Forecast Discussion
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000 FXUS61 KPBZ 140556 AFDPBZ Area Forecast Discussion National Weather Service Pittsburgh PA 1256 AM EST Sun Jan 14 2018 .SYNOPSIS... High pressure will maintain dry but cold weather today. Light snow returns Monday and Tuesday. && .NEAR TERM /THROUGH TODAY/... No changes to the overnight period. Surface high pressure and some minor height rises aloft will allow some moderation in temperatures and an increase in sunshine today. && .SHORT TERM /TONIGHT THROUGH TUESDAY/... Next system to bring the chance for light snow Monday and Monday night. Models have slowed the onset of snow just a bit from previous runs, so this will be indicated in the PoPs forecast. Kept likely PoPs for much of the region, with categorical to the north through Monday night. Behind this system, another shot of cold air, but not nearly as frigid as what we experienced on Saturday. Expect little to no lake enhancement snow showers in the colder air, as winds aloft remain southwest through most of Tuesday, only late in the day, do they veer to the west, but by this time they rapidly weaken. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... Upper trough will remain in place through much of the period, with more zonal flow expected by the end of the week, returning seasonable or slightly warmer values. Stayed close to the superblend for PoPs through this time frame, with no large systems expected. && .AVIATION /06Z SUNDAY THROUGH THURSDAY/...
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VFR conditions and light winds expected through the TAF period under high pressure. .OUTLOOK... The next chance of widespread restrictions will arrive on Monday with another round of snow.
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&& .PBZ WATCHES/WARNINGS/ADVISORIES... MD...Wind Chill Advisory until 10 AM EST this morning for MDZ001. OH...None. PA...Wind Chill Advisory until 10 AM EST this morning for PAZ009- 016-023-074-076. WV...Wind Chill Advisory until 10 AM EST this morning for WVZ512>514. && $$ is the U.S. government's official web portal to all federal, state and local government web resources and services.