Overview
- Storm rains delivered up to three inches in parts of New York City and northern New Jersey, prompting flash flood warnings across all five boroughs.
- New Jersey Governor Phil Murphy declared a state of emergency at 8 p.m. Monday in response to flash flooding and severe thunderstorms.
- New York City Transit suspended multiple subway lines and closed major thoroughfares as stations and underpasses became inundated.
- The Federal Aviation Administration issued a ground stop at Newark Liberty International Airport with LaGuardia and JFK reporting widespread flight delays.
- Emergency responders carried out water rescues in Metuchen, sheltering stranded motorists in a high school and advising basement apartment residents to keep Go Bags and flashlights on hand.