Three-day forecast from the National Weather Service in New York (Nov. 25, 2014-4:53 a.m.)
Today Partly sunny. Highs in the upper 50s. West winds 10 to 15 mph.
Tonight Mostly cloudy. A chance of rain after midnight. Lows around 40. West winds 5 to 10 mph…becoming north after midnight. Gusts up to 20 mph. Chance of rain 30 percent.
Wednesday Rain and snow. Snow accumulation around an inch. Windy and cooler with highs in the lower 40s. Northeast winds 10 to 15 mph…becoming north 15 to 25 mph in the afternoon. Chance of precipitation near 100 percent.
Wednesday Night Rain and snow…mainly in the evening. Additional light snow accumulation. Windy with lows in the lower 30s. North winds 15 to 25 mph…becoming northwest 10 to 15 mph after midnight. Chance of precipitation 90 percent.
Thanksgiving Day Cloudy. A slight chance of rain and snow showers in the morning…then a slight chance of rain showers in the afternoon. Highs in the lower 40s. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent.
Thursday Night Mostly cloudy. Lows in the upper 20s.
Area forecast discussion excerpt (4:43 a.m.)
from the National Weather Service forecast center in New York
Model consensus shows a coastal low developing off the southeast coast tonight. The center of this storm tracks northeast through Wednesdayand passes over or very close to the 40N/70W benchmark Wednesday evening. By late Wednesday night…It will be close to Nova Scotia.
Precipitation moves in from the south late tonight…With a chance that Long
Island…the city and immediate surrounding suburbs see some of this
precipitation by daybreak Wednesday. Precipitation then starts by noon for the entire tri-state area and probably ends by daybreak Thursday for most of the area.
Precipitation type…and consequently the snowfall amount forecast…will be challenging. With a lack of a polar high to the north…the amount of dynamic cooling becomes important…particularly across the coastal zones. A lack of downstream blocking will have this storm track relatively quickly.
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