City of Thousand Oaks

ALT Impacts & Suggested Actions High risk for wind damage & power outages & dangerous seas. Park away from trees. Charge up devices. Stay off ocean. Snowy & icy mountain roads. Check road conditions before traveling in mountains. Bring tire chains. Minor-locally moderate flooding & debris flows. Do NOT cross flooded roads! Allow extra travel times.

ALT Impacts & Suggested Actions Enhanced risk of rockslides & mudslides. Avoid canyon roads & travel in mountains. Stay off hillsides. Moderate risk of road flooding. Do not cross flooded roadways! Adjust travel plans. Pack extra supplies. Strong flows in waterways. Stay away from rivers & creeks (esp campers). Enhanced risk of downed trees & steep seas. Park cars away from tall trees. Keep boats in safe harbor.

ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 8:30 AM PST. The warning includes Santa Clarita CA, Thousand Oaks CA and Simi Valley CA. This warning is for East central Ventura County in southwestern California and Northwestern Los Angeles County in southwestern California. The threats associated with this warning are wind gusts up to 60 MPH and pea sized hail. There are 2,303,096 people in the warning along with 454 schools and 26 hospitals.

ALT Summary of expected timing/chances of rain with the upcoming storm.

ALT Latest expected rainfall totals from Tuesday through Saturday.

ALT Potential Impacts: Wet roads, minor road flooding, traffic delays. Enhanced rockslides & mudslides. Canceled outdoor events. Snowy & icy conditions on mountain roads. Isolated downed trees & power outages. With a chance of higher rain totals and rates, continue to monitor the forecast for the latest potential impacts. Details (Through Saturday): SLO & SBA Co: Total Rain: 0.25-0.75 inches, with 0.5-1.5 inches mtns & hills. Peak Rates: 0.10-0.25 inch/hr. Isolated up to 0.5 with T-storms. LA & VEN Co: Total Rain: 0.75-1.25 inches, with 1.0-2.0 inches mtns & hills. Peak Rates: 0.2-0.4 inch/hr. Isolated up to 0.75 with T-storms. Snow Totals: 3-8 inches (elev 6,000+ feet). Confidence: Moderate.

ALT A front followed by a low are bringing rain to the region into the weekend. Will likely see a good break in the rain for San Luis Obispo and Santa Barbara Counties, around Friday. Increasing confidence in more significant rain for Saturday, with low confidence on which county (between Santa Barbara, Ventura, and LA Counties) will be impacted the most. Which county will see the greatest impacts depends on where the low pressure system tracks. There is a growing risk for significant impacts Saturday, including dangerous flooding, damaging debris flows and major road closures. Monitor the forecast for updates and follow advice from local law officials.

ALT Expecting rain starting Thursday afternoon for northern areas and reaching the LA area Thursday night. Lower confidence in the rain forecast Friday into the weekend, and will depend on where the low pressure system off the coast tracks. There is also a 10-20% chance for thunderstorms Thursday into Thursday night for San Luis Obispo and Santa Barbara Counties, with chances shifting south for Friday night into Saturday. Potential Impacts: Travel delays with wet roads, increased flows in creeks/streams, canyon rock/mudslides and a chance for burn area flash flooding an at least minor debris flows.

ALT A low pressure system will bring rain to the area starting as early as Wednesday night for northern areas, reaching the LA area closer to Thursday afternoon. There is also a 10-20% chance for thunderstorms Thursday morning for San Luis Obispo and Santa Barbara Counties, when the main rain is expected to move through. Potential Impacts: Travel delays and localized roadway flooding, increased flows in creeks/streams, and a chance for burn area flash flooding an debris flows.

ALT Flood Watches in effect for the recent burn scars Monday night through Tuesday. Due to the potential for heavy rainfall, mud and debris are possible in and around the burn scars.

ALT Latest details for the early season storm Monday night through Tuesday night. Moderate to heavy rainfall is likely across Southwestern California with some snow accumulations above 6000 feet. Also, there is the potential for strong thunderstorms.

ALT Hot conditions with critical fire weather conditions will continue through the weekend. There will be a high risk of heat illness away from the beaches. Additionally, critical fire weather conditions are expected with any new ignitions likely to spread very quickly.