A paralyzing snowstorm is walloping the tri-state with blinding snow and icy winds, and New York, New Jersey and Connecticut are under states of emergency as nearly 20 inches of snow was forecast to be dumped on parts of the region. Eastern Long Island was hit the hardest early in the storm: Islip Airport had 14.7 inches of snow by 3 a.m. Tuesday, and Upton had 12.1 inches. In New York City, Queens was seeing the most snow, with 10.1 inches of snow on the ground in Jamaica by 3:15 a.m. Central Park had 6.3 inches of snow by 1 a.m.