Heavy Rain Causes Sinkhole in South Pasadena Amid Southern California Storms

Storm Impacts Across Southern California

• 🌧️ Heavy rain from an atmospheric river has caused significant issues across Southern California, including down trees, power lines, flooding, sinkholes, and potholes.
• ⚠️ Evacuation warnings remain in effect for numerous burn scar areas in LA, Ventura, and San Bernardino Counties due to the risk of mud and debris flows.
• 🚨 Mandatory evacuation orders are in place for select properties in high-risk areas, with residents already contacted by law enforcement.

Sinkhole Formation in South Pasadena

• 🕳️ In South Pasadena, steady rain caused a portion of Edgewood Drive to collapse, forming a sinkhole that swallowed the back tire of a maintenance truck.
• 🚗 The sinkhole occurred between Wayne Avenue and Chelton Way.

Highway 330 and Burn Scar Areas

• ⛰️ The San Bernardino Mountains, particularly Highway 330 through the line fire burn scar, experienced significant impacts from the storm.
• 🚧 Multiple mud flows and small rock slides affected the highway, but CALTRANS patrols kept it open and navigable using snow plows.

Storm System and Future Forecast

• 🌊 The current storm system (wave one) is expected to bring scattered showers through Sunday, with a secondary system approaching Monday into Tuesday.
• 🗓️ A third storm system is anticipated by the end of next week, indicating a prolonged period of wet weather.
• 📊 Rainfall totals from the current wave are expected to range from 2-3 inches along the coast and inland valleys, and 4-6 inches in the foothills and mountains.
• ⚡ Thunderstorm chances, heavy downpours, flooding, mudslides, and debris flow across burn scars are ongoing concerns.

Weather Conditions and Temperatures

• 🌡️ Temperatures are cooler than average, with highs in the 50s and 60s across most of the area.
• 🧥 Residents are advised to use rain gear, including umbrellas, rain boots, and coats, when outdoors.
• 🚗 Drivers are cautioned to be aware of slick roads and potential flooding, with a reminder to "turn around, don't drown."