Evacuation warnings will be enacted Thursday morning in some canyon areas near Orange County’s airport burn scars as the storm will bring hours of rain to Southern California.
The spontaneous evacuation warning will be enabled at 8am Thursday at Trabuco Canyon, Hot Springs Canyon, Bell Canyon, Long Canyon and Modjeska Canyon due to the possibility of debris flowing from the burn scar. The airport fire began on September 9th in the Trabuco Canyon area. More than 23,500 acres were burned before it was contained on October 5th.
Flash flood clocks will be in effect on Thursday in wide areas of Southern California.
The scattered light showers spread throughout the region on Wednesday, beginning on Thursday afternoons and before flash flood clocks that continue throughout the night. High rainfall can cause crushed stone flooding and slide in fragile burn scar areas.
The brunt of the storm arrived Thursday, with widespread rain potentially affecting the area for about 36 hours. Especially in mountain communities, moderate to heavy rain can allow for stable rain pockets.
As the system moves west to east and evening to overnight, it rains in the afternoon. During that period, the risk of flood problems and debris flow is highest in wild burn scar areas.
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