By Alex Sosnowski, AccuWeather.com Senior Meteorologist
October 27,2016; 8:08PM,EDT
A potent storm will deliver a dose of cold rain and accumulating heavy, wet snow to parts of the northeastern United States into Friday.
Cold air will hold its ground over much of the northeastern U.S. through this week. One batch of cold air will be replaced by another as the storm approaches and then moves by.
The air has been cold enough to support snow at the onset of the storm in most areas that received an accumulation this past weekend, according to AccuWeather Senior Meteorologist Brian Wimer.
This map shows expected accumulation on grassy and elevated surfaces. Lesser amounts are expected on roadways.
"Into Friday, the storm has the potential to bring more wet snow from parts of upstate New York and northern New England," Wimer said.
This time, more snow will fall on and accumulate in more places, when compared to the storm this past weekend. This includes some locations in the valleys.
Secondary roads in the highest elevations could become slushy for at time with up to several inches of wet, clinging snow on non-paved areas.
A considerable amount of leaves are still on the trees. In some areas where there is little accumulation on the roads, the clinging nature of the snow on trees can bring down large limbs and power lines. As a result, some secondary roads could be blocked.
A period of wet snow, sleet and even freezing rain occurred as far south as the mountains of northern Pennsylvania to northern New Jersey and Connecticut. In these locations, rain will fall at the height of the storm into Thursday night.
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Where snow continues into Friday, accumulations will be the greatest. This most likely in northwestern Maine, northern New Hampshire, northern Vermont and part of the Eastern Townships of Quebec. In some of these locations, snowfall could approach 10 inches (25 centimeters).
This storm has delivered the first observed snow and sleet of the season to parts of the Northeast including Hartford, Connecticut, Worcester, Massachusetts, and White Plains, New York.
The combination of rain and fallen leaves can make roads extra slick in absence of any snow in southern areas and intermediate and lower elevations farther north.
The rain, poor visibility and a breeze could lead to travel delays on area highways and at some of the airports in the region.
For upstate New York and New England, the moisture will be another shot in the arm for the prevailing long-term drought. A general 0.25 to 0.50 of an inch of precipitation (rain and melted snow) is likely with local amounts between 1 and 2 inches.
As the storm begins to pull away on Friday, sunshine will return to much of the mid-Atlantic and a period of gusty winds will affect the Northeast, especially in New England.
Following the storm into Friday, another much less-potent storm will affect the area from Saturday to Sunday.
The storm track will shift farther north beginning this weekend, according to AccuWeather Meteorologist Mike Doll.
"We expect temperatures to average above normal during much of next week," Doll said. "However, toward the middle of November, temperatures are likely to slide back to normal."
By the middle of November, normal high temperatures range from the upper 50s in eastern Virginia to the upper 30s in northern Maine.
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