Heavy Snow in Southwest Suffolk, New York

The Official NWS Observation at the Islip Airport was 6.4 inches of snow. Broadcast media reported 6.1 inches of snow. Trained spotters and the public reported 5 to 7 inches of snow.

Low pressure developed off the NC/VA coast during the morning on Sunday, February 7, 2021. The low then tracked northeast away from the Middle Atlantic through the afternoon as it intensified, then well south and east of Long Island in the late afternoon and evening. A band of moderate to heavy snow developed across southern portions of the Lower Hudson Valley during the late morning hours. and the continued moving east across portions of the New York City metro and Long Island through the rest of afternoon. The initial moderate to heavy snow band merged with a second band developing across eastern Long Island in the afternoon. Snowfall rates within the bands were around one to as high as two inches per hour at times. Surrounding this moderate to heavy band was a steady snowfall through much of the day. Snowfall accumulation across much of Southern Connecticut ranged from 3 to as high as 9 inches.