What Is a Storm Surge? What to Know as Hurricane Idalia Hits Florida

Hurricane Idalia could generate [life-threatening storm surges](https://ift.tt/S0Ka2Wl) of up to 15 feet in the northern part of Florida’s Gulf Coast, forecasters said. A long stretch of coast in the Big Bend region is forecast to see storm surges of up to 16 feet. Here’s what to know about storm surges and what impact they could have.