Long Island Weather: Another Very Cold Night
Long Island weather will see another very cold night ahead with clear skies and light winds. Even though Long Island is along the coast it can be an amazing place on nights where radiational cooling takes place. It is when skies are clear and winds are light to calm, the heat that the earth has absorbed during the day is radiated back out into space. This can create huge temperature variations especially in Central Suffolk County which can be the radiation capital of the northeast on some nights. Most lows tonight will be in the teens however in the coldest spots like Brookhaven and Westhampton, single digits are likely. At least there is no wind so there is no wind chill factor to make it feel even colder, like last night.
On this tight view the area in the dark purple is the area that usually sees temperatures falling off the wall. They can be at times 15 degrees colder than the surrounding area. Being in the Pine Barrens does help the cause considerably. Warmer more urban areas to the west will be in the teens to near 20.
Satellite loops show a large area of clear skies and with high pressure moving overhead, the stage is set. Temperatures today did not get out of the 20s so watch the thermometers tonight. Wednesday we rebound with the cold air moving out but it is not going to be replaced by warmer air. We are just seeing temperatures back closer to normal highs on Wednesday in the upper 30s to near 40.
There is no precipitation to worry about until the weekend and latest models are forecasting a storm track to the west which means rain and milder temperatures. We could see 50s on Sunday before it turns cold again next week. Thursday and Friday Long Island weather will be dry with some sunshine and highs in the low 40s…perhaps mid 40s Friday. Saturday looks cloudy with light rain and an onshore flow with temps in the lower 40s before it warms up probably Saturday night and Sunday as low pressure heads to the west. Here is my latest post on the weekend weather system.
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