Event Summary

A low pressure system slowly moved north from the Mid-Atlantic coast across New England and produced flash flooding across parts of the New York City Metropolitan Area and isolated severe weather in Nassau and Suffolk Counties. Rainfall amounts ranged from around 1.25 to just under 4.5 inches, with most locations receiving from 1.5 to 2.75 inches of rain. Flash flooding was reported on the Belt Parkway near Bay Parkway in Brooklyn. Two lanes were blocked on the Belt Parkway westbound from Farmers Blvd. to Flatbush Avenue. A spotter at Sheepshead Bay measured 1.75 inches of rain. Flash flooding was reported on the Van Wyck Expressway at Jewel Avenue. At least one lane was closed due to flooding on the Grand Central Parkway from the Van Wyck Expressway to the Long Island Expressway. Flooding blocked all lanes on the Grand Central Parkway both eastbound and westbound at Hoyt Avenue. Flooding occurred on the F transit subway line at Sutphin Blvd. Flooding also occurred on the Belt Parkway eastbound between JFK Airport and Brookville Blvd, where 2 lanes were closed. At JFK Airport, 1.71 inches of rain was measured. Flash flooding was reported on the Henry Hudson Parkway at 232nd Street. Flash flooding was observed on the West Side Highway.