Event narrative (NOAA)
The Sagtikos Parkway southbound was closed at Exit S2, Crooked Hill Rd., in Brentwood due to flooding. Storm total rainfall amounts reported in Suffolk County ranged from 0.14 inches in Montauk to 13.27 inches at Islip/MacArthur Airport with a 24 hour rainfall record of 13.78 inches at MacArthur Airport which broke the New York State record. Damage amounts are validated costs of damage assessment inspections of municipal property, $11.7 million, and $23.5 million for small business administration loans as a result of the FEMA private property and business damage assessment. This information was provided by the Suffolk County Office of Emergency Management.
Other notable flash flood events in New York
Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.