O.C. issues mandatory evacuations amid storm, flash flood warning

ORANGE COUNTY (KNX) — A mandatory evacuation order issued by the sheriff’s department is in effect for several areas of Orange County Tuesday, near the Bond Fire burn area.

The Orange County Sheriff's Department shared the news in a tweet, explaining that the order applies to Williams, Modjeska and Silverado Canyons due to flooding and debris flows.

The evacuation order comes amid a flash flood warning, which was issued due to a powerful storm drenching the region.

“At 11:01 a.m., Doppler radar and automated rain gauges indicated heavy rain falling over the Bond Burn Scar,” the National Weather Service (NWS) said in a report, explaining the warning expires at 12:30 p.m. “The expected rainfall rate is 0.5 to 0.75 inches in one hour. Flash flooding is ongoing or expected to begin shortly.”

The rainfall is expected to soak the burn scar and result in debris flow that will move through White, Wildcat, Williams and Modjeska Canyons, with the debris flow likely consisting of rock, mud, vegetation and other loose materials, the NWS said.

“This is a life threatening situation. Heavy rainfall may cause extensive and severe flash flooding of creeks, streams, and ditches in the Bond Burn Scar.” NWS said.

“Severe debris flows can also be anticipated across roads. Roads and driveways may be washed away in places. If you encounter flood waters, climb to safety.”

Irvine, Silverado, Foothill Ranch and Limestone Canyon Regional Park are also expected to experience flash flooding, according to reports from City News Service. 

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Featured Image Photo Credit: Orange County Public Works