The camp where 27 girls died successfully challenged initial risk designations by US regulators, according to reports.

The data also highlights critical risks in other areas along the Guadalupe River in Kerr County, and nationwide as many Americans have a flood risk they are not aware of.

A flash flood watch has been issued for much of the Tri-State Area on Monday. It takes effect at 2 p.m. and lasts until at least midnight. It's a First Alert Weather Day, as we track downpours, thunderstorms and the enhanced risk of flash flooding across portions of New Jersey.

Excessive rainfall could lead to flash flooding as showers and thunderstorms move across the Lehigh Valley and eastern Pennsylvania on Monday afternoon and night.