NOAA's National Weather Service confirmed that a tornado produced a damage track of about 13 miles in length that extended from Grandview On Hudson in Rockland County through central Westchester County and across North Greenwich in extreme southwest Fairfield County in Connecticut. The track included about a 3 mile stretch across the Hudson River.
The maximum intensity of the tornado was rated as F2 on the Fujita Tornado Intensity Scale, although the majority of damage was rated as a strong F1. High winds uprooted and snapped thousands of large trees along its' path and damaged structures. Despite a path length of 10 miles and maximum path width of 300 yards, no fatalities occurred and only 6 people received minor injuries.
The tornado initially touched down as an F1 in Grandview On Hudson at approximately 3:30 pm EDT. After damaging a dock on the Rockland County shoreline, the tornado moved across the Hudson River. The tornado over turned a boat near the Tappen Zee Bridge then moved across the western shores of Westchester County over the town of Sleepy Hollow.