A powerful storm is set to impact Southern California starting Wednesday night, prompting evacuation warnings due to concerns about flooding and debris flows, especially in areas recently affected by wildfires. This storm is the second atmospheric river event this week and is expected to bring significant rainfall: 1-2 inches along the coast and up to 4 inches in valley areas, potentially causing flash floods. The National Weather Service will issue a flood alert covering parts of Los Angeles and Ventura counties, with the most intense rainfall expected overnight into Thursday morning.
Officials have warned residents in wildfire burn areas, such as Eaton and the Sunset Fire zone, to prepare for possible evacuations, citing risks of mudslides and landslides. Several communities, including areas of Malibu and Sierra Madre, have already been placed under evacuation orders. Enhanced rainfall rates could exceed 0.75 inches per hour, significantly increasing the risk of debris flows and flooding in these vulnerable regions.
In response to the upcoming storm, Los Angeles County crews have been preparing to manage debris and flood risks. As snow levels drop in nearby mountain ranges due to the storm, 1-2 feet of snow is expected at higher elevations, contributing to a growing snowpack crucial for water supply. A winter storm warning will be in effect until Saturday morning.
After this storm, a weaker system is anticipated for Friday, with more rain possible next week. Residents are encouraged to stay vigilant and prepared for adverse weather conditions.
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