National Weather Summary for Thursday, December 29, 2016
by David Moran, on Dec 29, 2016 11:02:42 AM
Moderate to heavy snow will continue for portions of the Northeast Thursday into Friday as a series of upper level disturbances track through the region. Strong winds and rough seas are expected for portions of the Gulf of Mexico Thursday and Friday in the wake of a cold front.
Light to moderate snow is expected to continue across the Northeast as a series of low pressure systems move across the region. Snow accumulations of 2-4 inches with isolated higher amounts in excess of 6 inches are forecast across western and central New York. In addition to the snow, winds of 10-15 mph with gusts in excess of 25 mph will allow for wind chills between 5 and 15 degrees. Across western New York, snow accumulations of 4-8 inches with locally higher amounts in excess of 10 inches are expected. Winds will be 10-20 mph with gusts in excess of 30 mph. Further to the southeast from southeastern New York into Connecticut, snow accumulations of 2-4 inches with locally higher amounts in excess of 6 inches will be possible. Snow accumulations of 8-14 inches with locally higher amounts in excess of 16 inches are forecast from portions of Massachusetts northeastward into Vermont, New Hampshire, and Maine. In addition, winds of 20-25 mph with gusts in excess of 35 mph are expected.
Major Cities in Region: Buffalo, NY, Syracuse, NY, Albany, Burlington, VT, Augusta, ME, Bangor, ME
A strong cold front has entered the Gulf Thursday morning and track southeastward throughout the day. Winds will shift from the northwest at 10-15 knots ahead of the front to the north-northeast at 25-35 knots with gusts in excess of 40 knots behind the front. Seas will also build to 6-9 feet behind the front. Further to the southeast, seas of 8-12 feet are expected.
Strong to Severe Thunderstorms Possible for the Carolinas on Thursday
A few thunderstorms may develop along the Carolina coast Thursday afternoon and evening as instability builds. Any storms that develop in this region will have the potential for wind gusts in excess of 45 mph.
Major Cities in Region: Charleston, SC, Myrtle Beach, SC, Wilmington, NC
SPC Convective Outlook for Thursday
Excessive Rainfall Possible across the Lower Mississippi Valley on Saturday
A surface low is forecast to develop on the tail end of a cold front moving into the Southern Plains on Saturday.This will result in a warm front developing over the Lower Mississippi Valley region. Increasing showers and thunderstorms are forecast along the front with the potential for excessive rainfall also increasing. Rainfall amounts of 1-2 inches with locally heavier amounts in excess of 3 inches will be possible through early Sunday morning.
Major Cities in Region: Lafayette, LA, Baton Rouge, LA, New Orleans, LA, Mobile, AL
Excessive Rainfall Risk Outline for Saturday
A Look Ahead
Showers and thunderstorms will continue for portions of the Mid-South and into the Southeast on Sunday along a stalled front. By Tuesday, moderate to heavy snowfall will be possible for portions of the Upper Midwest on the backside of a strong surface low.
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