||We love our mountains, canyons and valleys in Southern California. They're rugged, they're dramatic... they're prime hot spots for flash flooding! Our dry climate makes us a trigger point, too, because heavy precipitation takes awhile to work its way into the hard ground, leaving plenty of opportunities for fast, rushing water to build up quickly. Dry rivers, creekbeds and deep slot canyons can be especially dangerous for those caught by a rapidly moving flash flood. So if high water is something you hope to avoid, the best emergency preparedness is to take a moment to get to know this natural phenomenon a little bit better:
- Flash floods can turn a calm landscape into a raging river in a matter of minutes.
- Most flash floods are caused by slow-moving thunderstorms, hurricanes or tropical storms, but also by dam or levee failures.
- Flash floods can move boulders, rip out trees, knock down bridges and destroy buildings… now consider what they can do to you.
- Walls of water, often filled with debris, can reach up to 20 feet.
- If you receive a warning or are caught in a flash flood, move immediately to higher ground.