Area Forecast Discussion
Issued by NWS Sterling, VA

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150 FXUS61 KLWX 071928 AFDLWX Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 228 PM EST Wed Dec 7 2016 .SYNOPSIS...
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High pressure builds into the area tonight. A cold front will move through the Mid Atlantic Thursday evening. High pressure returns to the area Friday into the weekend. Another cold front crosses the area Monday followed by another Wednesday.
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&& .NEAR TERM /TONIGHT/...
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No problems expected overnight. High pressure will be over the region. Any clouds will be of the high variety courtesy of a 150 knot jet that will be tracking across PA/NY. Lows primarily in the mid 30s.
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&& .SHORT TERM /THURSDAY THROUGH FRIDAY NIGHT/...
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No problems expected Thursday with the exception of increasing clouds ahead of a reinforcing shot of cold air. Highs 45-50. Colder air begins moving into the area Thursday night. Expect winds to increase to 15-20 mph overnight...and then 25-30 mph Friday. Lows Thursday night in the mid 20s..wind chills dropping into the teens before sunrise west of I-95. A cold day Friday with highs only in the low 40s east of the Blue Ridge...30s west...20s Highlands. Upslope snow showers will likely occur Thursday night and Friday. For the time being we are forecasting 1-2 inches. If later shifts raise the total higher we may need to issue an advisory. For the far western zones our criterion is 3-5 inches in a twelve hour period. Continued cold Friday night with lows 25-30.
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&& .LONG TERM /SATURDAY THROUGH TUESDAY/...
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High pressure will remain in control Saturday. An upslope flow could generate snow showers in the Potomac Highlands, mainly early Saturday. The high will move to the East Coast Saturday night, before moving offshore Sunday. Temperatures will remain chilly despite a return flow evolving Sunday. A storm system should move northeast across the Great Lakes toward southeastern Canada Sunday and Sunday night. A trailing cold front will move across the region Sunday night, bringing a chance of rain or snow showers late Sunday and Sunday night. Strong high pressure should build in behind the front Monday through Tuesday, bringing very chilly air into the region once again. As the high moves east, the next storm system could bring a chance of rain or snow showers Tuesday night and Wednesday.
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&& .AVIATION /19Z WEDNESDAY THROUGH MONDAY/...
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VFR conditions expected tonight through Friday. Gusty NW winds expected Thursday night and Friday...along with low level mechanical turbulence. Vfr conditions Saturday and Saturday night. Winds northwest 5 to 10 knots Saturday becoming light and variable Saturday night.
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&& .MARINE...
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Winds were not as strong on the waters today as previously thought so SCA was dropped. But winds will reintensify Thursday night as a shot of cold air moves into the area. This will likely need to be continued Friday. No marine warnings expected Saturday and Saturday night. Winds northwest 10 knots Saturday. Winds northwest 5 to 10 knots Saturday night.
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&& .LWX WATCHES/WARNINGS/ADVISORIES...
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DC...None. MD...None. VA...None. WV...None. MARINE...Small Craft Advisory from 5 PM Thursday to 5 AM EST Friday for ANZ530>543.
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&& $$ PRODUCTS...WOODY!/KLW

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