Rainfall amounts of 1-2 inches and isolated amounts of 3-5 inches are possible, the National Weather Service said.

It was the first time a new round of severe weather has paused the search since the flooding earlier this month. Search efforts are expected to resume Monday.

On the night the deadly floodwaters raged down the Guadalupe River in Texas, the National Weather Service forecast office in Austin/San Antonio was missing a key member of its team: the warning coordination meteorologist,

River gauges, sirens and clear alerts can together help emergency managers anticipate flash floods and communicate life-saving information.

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

More than 50 million Americans throughout the Northeast are under flood watches on Monday, with flash flooding causing significant delays to New York City transportation. Flash flood warnings have been issued for cities including New York City,

Millions across the Northeast and Mid-Atlantic remain under flash flood warnings early Tuesday as slow-moving summer storms bring heavy showers to the East Coast, impacting transportation and leaving people stranded in vehicles on waterlogged roads.

"Flooding can be deadly and often strikes with little or no warning. Streets, basements, and below-grade spaces can fill with water in minutes. If you live in a basement apartment or low-lying area, be ready to move to higher ground,