What is a flash flood?

What is a flash flood?

A flash flood refers to flooding that begins six hours or sooner after a heavy rainfall, or in a rarer cases when there’s a dam break or something similar, said Bernie Meier with the National Weather Service in Boulder.

Typically you won’t get warning any sooner than when the heavy rain is falling, as the rain is monitored for risk of flash flooding, he said.

If you get a flash flood warning?

“The main thing is to avoid the water,” Meier said. And if you’re in a flood-prone area, he added, seek higher ground.

READYColorado noted that heavy flooding and damage has happened in recent years in areas with wildfire burn scars. So have a flash flood plan if you live on or near a burn scar area.

© 2017 KUSA-TV


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