Winter Storm Watch Long Island Sunday Night Into Tuesday At Least 6 to 12 Inches Forecast
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Winter Storm Watch Long Island Sunday Night Into Tuesday At least 6 to 12 Inches Forecast
Long Island is under a Winter Storm Watch for Sunday night into Tuesday morning. This is the first accumulating snow of importance since the December mid month storm that brought 5 to 10 inches for most of Long Island. This storm will play out in similar fashion except that the atmosphere is colder this time around and there is also room for an upside surprise.
Before we get to the snow we have today’s cold but sunny day as the satellite does show Long Island in mainly clear skies. At least the sun takes a bit of the sting out of the air and the wind has eased somewhat. Temperatures this afternoon will top out in the mid to upper 20s and head down to the low and mid teens overnight into Sunday morning.
Clouds will increase Sunday with highs mostly in the 20s. Snow will arrive Sunday evening after 7pm in west Nassau and it may take most of the night for the snow to reach the East End. The snow will be fighting the cold dry air so it may take a while for the atmosphere to saturate. We probably won’t have much more than an inch or two by Monday morning.
The heaviest snow will fall Monday afternoon and evening. Note that the storm stalls out over the Delaware coast Monday night and we will likely see some back side snow from this late Monday night into part of the day Tuesday. There may be a brief change to sleet or even rain for a few hours but then it goes back to snow late Monday night regardless.
This should all come to an end later in the day Tuesday and weather conditions should improve after that. I would caution that there is room for some upside here on amounts as the dynamics of this storm will be strengthening Monday into Tuesday morning. The upper air storm will pass to our southeast and that puts us in line for the possibility of some enhancement of the snow.
MANY THANKS TO TROPICAL TIDBITS FOR THE USE OF MAPS
Please note that with regards to any severe weather, tropical storms, or hurricanes, should a storm be threatening, please consult your local National Weather Service office or your local government officials about what action you should be taking to protect life and property.