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Flash Flood Watch throughout Southern California

Post Date:12/06/2018 5:00 PM

The National Weather Service has expanded the Flash Flood Watch to include all of southern California including the Western Riverside County area until midnight tonight. A pacific storm will bring widespread heavy showers to the area through this evening. Rainfall rates up to 1 inch per hour will be likely with the heaviest activity. This could lead to flash flooding in poor drainage and urbanized areas as well as mud and debris flows in and below recent burn scars. 

Precautionary & Preparedness Actions: 

  • A flash flood watch means that conditions may develop that lead to flash flooding.
  • Flash flooding is very dangerous and the heavy rainfall could cause debris flows in recent burn areas according to rainfall thresholds provided by the USGS. 
  • Debris flows are extremely dangerous and happen suddenly often with little time to act. 
  • You should monitor the latest forecasts. 
  • Take note of any advice given from local authorities. 



No evacuation orders, voluntary or mandatory, are currently in place. Please continue to be vigilant, stay alert, and monitor information sources. To learn more about Canyon Fire Winter Preparedness click here.

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