The National Weather Service urged people to avoid travel if a flash flood warning was in place for their area.

Since January, more than 3,100 flash flood warnings have been issued nationwide — the highest year-to-date total since tracking began for alerts in 1986.

A flash flood warning has been issued for two major U.S. states on Sunday afternoon. The National Weather Service is warning two U.S. states about a potential flash flood situation. In recent weeks, multiple U.

New York and New Jersey hit by torrential rain and flash floods, forcing highway closures, suspending subway lines and flight delays.

Catastrophic flash floods have killed dozens and displaced thousands across parts of the southern and central United States this week. Forecasters now warn New Jersey could be next. As flash flood watches expand across the Mid-Atlantic,

Back-to-back flooding disasters in recent years — in Texas, New Mexico and Kentucky, among many others — have showed that preparing for flash flooding is a new necessity as the planet warms.

Here's what to know about flash floods, emergency systems and how to stay safe as Florida is in the Atlantic hurricane season.

A flood watch is issued when conditions are favorable for flooding, according to the National Weather Service. It doesn't guarantee flooding will occur, but it means flooding is possible. Areas north of Dallas to the Red River will remain under flood watch until 7 a.m., according to the NWS in Fort Worth.