Here's what we know so far on the Texas flash floods, including where the flooding is happening, when storms could end and what could happen next.

Catastrophic flooding struck central Texas on Friday as the Guadalupe River surged by more than 20 to 26 feet within 90 minutes, causing widespread devastation and forcing mass evacuations in Texas Hill Country. At least 80 people have been killed in the floods while others remain missing or displaced and more than 850 people required rescuing.

Flash flooding is common in Texas and can happen in the event of heavy rainfall, according to the National Weather Service Fort Worth. Here’s a few tips on how to prepare for flooding, what to do during and what areas in North Texas are the most flood-prone.