Southern California Storm: Heavy Rain, Flood Watches, and Debris Flow Risks

Storm System Overview

• 🌧️ A cutoff area of low pressure is bringing light to moderate rain to Southern California, with moisture streaming from the south.
• ⚠️ Flood watches are in effect through tomorrow night, with the heaviest rain expected overnight tonight into tomorrow morning.
• 🚨 There is a significant concern for mud and debris flows, especially in recently burned areas due to lack of vegetation.

Storm Timing and Totals

• 🗓️ Rain is expected today and tomorrow, with scattered showers on Sunday. Another system is anticipated for Monday, followed by a colder storm Thursday into Friday.
• 📊 Estimated rain totals include nearly 2.67 inches for downtown LA, almost 3 inches in Pasadena, and nearly 3 inches in Oxnard by tomorrow night.
• 🏔️ Snow levels are expected to drop to around 6,000 feet by Sunday, with potential for a couple of inches of snow at local resorts above 6,000 feet.

Unseasonable Weather and Winter Outlook

• 🌡️ The current storm is described as an unseasonable pattern for November, with a large low-pressure system re-energizing to an atypical strength.
• 🌊 This system is one of the wettest to impact the region in November in a long time, with potential for serious flooding.
• 📉 While a La Niña pattern is typically drier, exceptions exist, and it's cautioned that one storm doesn't define the entire season.

Safety and Preparedness

• ⚠️ Residents are urged to be aware of their vulnerabilities, especially if in a burn scar area, and to listen for evacuation warnings or orders.
• 🚗 It is critical to never drive through a flooded roadway.
• 🌍 Preparedness is key, as conditions can change rapidly, and the potential for significant flooding and even tornadoes exists.