Area Forecast Discussion
Issued by NWS Burlington, VT

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000 FXUS61 KBTV 282001 AFDBTV Area Forecast Discussion National Weather Service Burlington VT 401 PM EDT Tue Mar 28 2017 .SYNOPSIS... A cold front will move through the north country overnight with a chance of rain or snow showers. There will be a slight chance for rain and snow showers on Wednesday, mainly over the high elevations of the Adirondacks and Green Mountains. A ridge of high pressure will build into the region on Thursday with mostly sunny skies expected. A low pressure area moving east across the Ohio valley will bring rain and snow to the north country Friday and Saturday. && .NEAR TERM /THROUGH WEDNESDAY/... As of 400 PM EDT Tuesday...An upper shortwave moving through the region in the northern stream will bring a chance of rain or snow showers until midnight tonight. Another upper shortwave over the mid Atlantic states will bring some rain or snow showers until midnight across southern Vermont until midnight. Cloud cover will help to keep temperatures up overnight with lows mainly in the 30s, except in the 20s over the higher elevations. The region will be under cold advection on Wednesday. expecting a slight chance for some rain or snow showers on Wednesday, mainly over the higher elevations of the Adirondacks and Green Mountains. && .SHORT TERM /WEDNESDAY NIGHT THROUGH THURSDAY NIGHT/... As of 400 PM EDT Tuesday...Any residual rain or snow showers should come to an end early Wednesday night. A ridge of high pressure will build south from Canada late Wednesday night and will remain over the region through Thursday night. expecting mostly sunny skies on Thursday. A warm front will approach the region well after midnight Thursday night, so will have a chance of snow light snow late Thursday Night and approaching daybreak on Friday. && .LONG TERM /FRIDAY THROUGH TUESDAY/... As of 345 PM EDT Tuesday...Snow expected to spread from north to south across the North Country on Friday with warming temperatures during the day in southerly flow changing snow to mostly snow. Some enhancement of QPF on eastern slopes expected with shadowing effects on leeward slopes and valleys. Heading into Friday night/Saturday morning, warmer air aloft will result in wintry mix starting over Northern NY and spreading eastward into the Champlain Valley in the middle of the night. Northeast Kingdom has best chance of remaining snow through Saturday morning. Winds shift out of the north on Saturday as the main coastal low pulls east and northern stream shortwave that provided lift for wintry mix will move out of the area with generally drying conditions Saturday into Sunday. NW upslope precip possible through Sunday before surface high pressure becomes the dominant feature through Tuesday. && .AVIATION /20Z TUESDAY THROUGH SUNDAY/... Through 18Z Wednesday...Highly variable flight conditions with scattered rain showers continue through the evening as a cold front shifts into the region. VFR conditions over Vermont TAF sites will deteriorate to MVFR this afternoon and evening with brief period of IFR vsbys possible mainly in the afternoon. MVFR conditions at KPBG will persist through Wednesday morning. Further west, KMSS & KSLK continue to have LIFR conditions to VLIFR possible, then gradually improving early to mid Wednesday morning. Areas of fog development possible tonight, with MVFR- IFR vsbys. Generally expect all terminals to see improvement on Wednesday. Outlook 18Z Wednesday through Sunday... 18Z Wednesday through 00Z Thursday...MVFR/IFR in scattered scattered rain/snow showers, mainly across central/northern Vermont. 00Z Thursday through 12Z Thursday...Mainly VFR. Isolated snow showers over higher terrain. 12Z Thursday through 12Z Friday...VFR under high pressure. 12Z Friday through 06Z Sunday...Areas of MVFR/IFR in rain and snow. 06Z Sunday onward...VFR conditions under building high pressure. && .BTV WATCHES/WARNINGS/ADVISORIES... VT...None. NY...None. && $$ SYNOPSIS...WGH NEAR TERM...WGH SHORT TERM...WGH LONG TERM...KGM AVIATION...KGM

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