Area Forecast Discussion
Issued by NWS Burlington, VT

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181 FXUS61 KBTV 290311 AFDBTV Area Forecast Discussion National Weather Service Burlington VT 1111 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 mixed wintry precipitation to the North Country late Friday into Saturday. && .NEAR TERM /UNTIL 6 PM WEDNESDAY EVENING/...
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As of 1108 PM EDT Tuesday...Patchy drizzle, isolated -RW, and low ceilings persist across the North Country this evening, with temps at 03Z mainly 34-38F. Main synoptic feature of note is the relatively compact, vertically stacked low exiting east of NJ. Main precipitation shield with this system will remain to our south. However, as the low tracks ewd, will see increasing N-NW winds, which will induce low-level CAA thru the remainder of the overnight. Gradually cooling thermal profiles will allow for a rain/snow mix as we move toward 04-05Z along the intl border, and elsewhere after 06Z. Activity will be quite light with orographics effects providing primary forcing mechanism. Despite the low- level CAA, continued cloud cover will help to keep temperatures up overnight with lows mainly in the lower 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.
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&& .SHORT TERM /6 PM WEDNESDAY EVENING 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 /03Z WEDNESDAY THROUGH SUNDAY/...
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Through 00Z Thursday...A mix of MVFR to LIFR continues across the forecast area. This mix and a bouncing between lower categories will continue throughout the overnight hours. Areas of fog development possible tonight, with MVFR- IFR vsbys. Generally expect all terminals to see improvement on Wednesday back to VFR by the afternoon. Winds will be out of the north-northwest at 05-10 knots with some gusts into the upper teens late Wednesday afternoon. Outlook 00Z Thursday through Sunday... 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.
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&& .BTV WATCHES/WARNINGS/ADVISORIES... VT...None. NY...None. && $$ SYNOPSIS...WGH NEAR TERM...Banacos/WGH SHORT TERM...WGH LONG TERM...KGM AVIATION...KGM/MV

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