We started talking about this potential already back on October 29th as the next potential storm to bring snowfall to the region.
Currently we have a cold front to the south of the region off the Carolina coast and then back to the west and heading SW we have a stationary front with waves of low pressure along it.
By Tuesday 18 Z (afternoon) we will have one area of low pressure over Southern Illinois with a warm front pushing north of it, and a cold front trailing south/southwest from the area of low pressure. . Preceding this we will have high pressure stretched across the NE region. This will allow colder air to reside in that part of the country.
The high pressure will begin to lose its influence and move away from the region as the low pressure out of Southern Illinois moves ENE taking a track across Central PA. This puts the area of PA/NJ etc. in the warm sector of the storm as the warm front pushes thru the region.
This system will produce a moderate size snowstorm to far northern new England and bring some heavy rains along with the possibility of thunderstorms into the rest of the region.
General rainfall to be expected ranges from one to about two and a half inches with the possibility that locations in SNE localize out at three inches and generally a 4-8 inch snowstorm with the potential in Maine for lollipops of 10-12 inches.
It is possible that after the cold front passes thru the region in PA ..that some showers of rain may mix with or end as snow in NE PA but for the most part we are looking at a rainstorm in the local region of East central PA into NYC…
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