NWS / NOAA weather: Flash Flood Warning issued July 6 at 12:41PM EDT until July 6 at 1:30PM EDT by NWS Upton NY

At 1241 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

Some locations that will experience flash flooding include...
Levittown, Freeport, Valley Stream, Long Beach, Plainview, Coney
Island, Garden City, Massapequa, Lynbrook, Syosset, Woodmere,
Westbury, Rockaway Beach, Farmingdale, Kennedy Airport, Jones
Beach, Hempstead, Hicksville, Elmont and Oceanside.

Source: NWS / NOAA weather.