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Update on the coming snowstorm for Long Island:

Winter Storm Watches will likely have to be issued as most of the models have continued to show a colder solution with a longer period of snow for Long Island before transitioning to sleet and then rain. It also looks like it may not start until closer to Noon on Thursday. Any transition to sleet may not happen until around midnight. The Euro and Euro ensembles are showing around 4 or 5 inches of snow because they are only showing around 0.6" of liquid equivalent. The GFS and GFS-Parallel are showing more precipitation, so it would bring the potential for 6 or 7 inches of snow. We aren't within full-range of the 3km NAM, but it's also showing the potential for at least 4 or 5 inches of snow.


I will have many more updates today!


LONG ISLAND FORECAST:


Today: Rain ending between 7:30 AM and 9 AM from west to east, and then becoming partly sunny in the afternoon. Much milder with highs mostly in the upper 40's to around 50 degrees, but with some low 50's possible in eastern Suffolk. Wind shifting to the WSW in the afternoon at 10 to 15 mph.

Tonight: Mostly clear, breezy, and cold with lows in the low 20's. Wind gusts up to 20 mph from the WNW.

Tomorrow: Mostly sunny with a diminishing wind by late afternoon with highs in the low 30's. Wind out of the WNW in the morning at 15 to 20 mph and then out of the NW in the afternoon at around 10 mph.

Thursday and Thursday night: Snow developing between 10 AM and 2 PM with accumulations of 4 to 7 inches before changing to sleet/freezing rain towards midnight and then rain after 4 AM. Highs in the low 30's. Wind out of the NE at 10 to 20 mph.

Friday: Showers ending around mid to late morning with highs in the upper 30's.

Saturday: Mostly sunny and breezy with highs in the low 30's.

Sunday: Mostly sunny with highs in the low to mid 30's.


- 1st image: Projected snowfall from the Euro from 1 PM Thursday to 1 PM Friday

- 2nd to 5th images: Maps from the Euro for 5 PM Thursday, 1 AM Friday, 7 AM Friday, and 1 PM Friday, respectively

- 6th image: Projected temperatures with ranges for Long Island for the next 15 days from the Euro ensembles

- 7th image: Projected temperatures for Long Island for the next 10 days from the NWS model blend









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