MudFlow Mitigation

 Storm Advisory and Phase 2 Evacuation Warning

A Flash Flood Watch and Red Flag Parking Restrictions are in effect from 10:00 p.m. Monday, Oct 13 through 6:00 a.m. Wednesday, Oct 15. The National Weather Service forecasts an early-season winter storm with periods of heavy rain and possible flooding or debris flows near recent burn areas. Los Angeles County Fire Department 

Phase 2 Evacuation Warning
LA County Public Works indicates Phase 2 conditions for debris and mudflow potential. Residents in canyons and recent burn areas should be prepared to evacuate if conditions worsen. LA County Public Works

Parking and Access
Parking on posted Canyon streets is prohibited to maintain emergency vehicle access.

• Clear drains, gutters, and storm grates to help prevent localized flooding.
• Pick up self-service sandbags at 611 E. Sierra Madre Blvd. (bring a shovel)
.
Sandbag Distribution LocationSandbag Distribution Location
• Sign up for emergency alerts via Nixle and Genasys Emergency Communications.
• Stay informed at sierramadreca.gov and official City social media pages.

The City is monitoring updates from the National Weather Service and Los Angeles County partners.

Key Actions to Take Now:

 Stay informed – Sign up for emergency alerts. 

  Know your evacuation zone – Use the Genasys Protect App. 

  Prepare your home – Secure property and access mitigation resources. 

 

Stay Alert: Evacuation & Emergency Notifications

Some areas may require evacuation. Be ready and monitor updates. 

How to Check Your Evacuation Status:

  Use Genasys Protect

§  Provides real-time, zone-based alerts regarding evacuation orders and warnings.

§  Access online Search Your Zone at this link

  Enter your address in the search bar at the top left of the page.

  Press “enter” or click the search icon.

  Your zone will appear on the map with its ID and current status.

§  Download the app on iOS (App Store) or Android (Google Play)  

 Enter your address to view your evacuation zone and status within the app. 

  Sign Up for Nixle Alerts

§  The city of Sierra Madre sends energy notifications via Nixle Alerts. This service delivers trusted information directly from the Sierra Madre Police Department.

§  📱 Text your ZIP CODE to 888777 for real-time emergency alerts.

§  🌐 Register online at this link to receive email and text notifications. 

 

Mudflow Mitigation Efforts

The City of Sierra Madre, in partnership with Los Angeles County, is actively working to reduce mudflow risks. Efforts include: 

  Strategic K-rail placement to divert mudflows. 

  Debris removal from roadways and storm drains. 

  Sandbags were distributed to residents. 

  Daily assessments of key impact areas. 

🚨 Take action now and prepare your home!

📞 Need property-specific mudflow mitigation advice? 

Contact the LA County Mudflow Hotline at 1-800-933-0930.   

 

City & County Response Efforts

Public Works Coordination: 

  Daily meetings with LA County officials to assess key impact areas and coordinate response efforts.

  Storm drains and debris basins were inspected and cleared as needed.

§  The Sierra Madre Dam debris basin was cleared of 2,500 truckloads of debris.

§  Affected burn zones prioritized.

  Over 500 feet of K-rail installed based on past fire and mudflow data.

  Thousands of sandbags, pre-filled and empty, were distributed. 

Evacuation Planning & Safety Measures

  🚨 If an evacuation is ordered, leave promptly. 

  👜 Plan for a potential evacuation in advance. Have a go-bag ready with essential items: 

§  Important documents 

§  Medications 

§  Basic supplies 

  👥 Check on neighbors and help them prepare. 

⚠️ Emergency Response Limitations 

  Fire, Police, and Public Works will NOT enter areas experiencing active mudflows. 

  If you choose to stay under an evacuation order, you must shelter in place until emergency crews can safely enter. 


Stay Updated

ü  Genasys Protect App – Evacuation orders & real-time alerts. 

ü  Nixle Alerts – Citywide emergency notifications. 

ü  City of Sierra Madre Website– Latest updates & resources. 

Stay informed, be prepared, and take action to protect your home and community! 

📍 City of Sierra Madre 
📞 626-355-7135 
📍 232 W. Sierra Madre Blvd., Sierra Madre, CA 91024