New Providence Borough posted a Flash Flood Warning on Saturday, July 18, directing residents to avoid all unnecessary travel as heavy rainfall created dangerous flooding conditions on roadways and in low-lying areas.

The borough's emergency alert, published on newprov.us, invoked the National Weather Service's "Turn Around, Don't Drown" protocol and told drivers to never attempt crossing flooded roadways. Residents were directed to call 911 for emergencies.

The National Weather Service warning covered Union County, where forecasters said rainfall rates could reach 1.5 to 2 inches per hour. A Flash Flood Warning for parts of New Jersey remained in effect until 11:30 p.m. Saturday, according to ABC7.

Saturday's alert marked the borough's second flood-related warning in two weeks. New Providence issued a similar travel advisory on Sunday, July 5, citing poor drainage in low-lying areas near streams, bridges, and certain intersections. The borough also launched a stormwater infrastructure mapping project the week of July 6, with crews from Colliers Engineering & Design surveying the borough's drainage system to identify problem areas and improve flood resilience.

Residents can monitor updates at newprov.us.