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ROSLYN, N.Y. - The sky got very dark and a severe thunderstorm happened fast on Monday, Nassau County residents said.
Once it all stopped, residents in a Roslyn neighborhood came outside to uprooted trees blocking the roadway, big branches scattered about, and sidewalks split in half.
"We heard horizontal rain hitting the windows," a resident said.
The summer thunderstorm system caught some off guard.
The National Weather Service said this weather event appears to have involved straight-line winds and not a tornado.
Crews with the Town of North Hempstead cut down damaged trees and limbs and removed debris to reopen the roads.
PSEG Long Island was working to restore power to a few thousand customers.