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The original item was published from 3/9/2023 11:41:00 AM to 3/9/2023 11:45:30 AM.

News Flash

Fire Department/Emergency Preparedness

Posted on: March 9, 2023

[ARCHIVED] Storm Update - Flooding Likely - Thursday 3/9 to Friday 3/10

"Winter Storm Update" and images of trees down, workers clearing debris, gushing creeks & traf

Latest update: 3/9/2023 at 11:20 am


A storm is headed to the Bay Area that will bring substantial rainfall tonight into Friday, with showers lingering into Saturday.  

Current weather predictions point to the likelihood of a strong winter storm impacting Marin beginning today into Friday with showers lingering into Saturday. Rainfall totals will range from 1.5 to 4 inches with prolonged moderate to heavy precipitation. Moderate to heavy rain will lead to rapid rises of area rivers, streams, and creeks. This system will result in an increased risk of shallow mudslides and debris flow over wildfire burn areas as soil moisture nears saturation. Localized ponding of water in low-lying or poorly drained areas as well as localized flooding is possible due to blocked culverts, drainages, and storm drains.

For your safety, we urge all community members to review flooding and winter storm resources, and prepare themselves and their property from the possibility of wind and water damage.  

Further information is available at the County of Marin Emergency Portal.

Hazardous Weather Conditions

Check the National Weather Service SF Bay Area website here.  


The Severe Weather Emergency Shelter (SWES) has been activated. An emergency shelter at 3240 Kerner Blvd will open for two (2) nights:


  • Road Closures: Updates will be provided when available.
  • Monitor traffic conditions at


Follow PGE Outage Map for ongoing updates on power restoration. What actions can I take to prepare and/or stay safe? 

Preparedness - Before the storm

  • Secure outdoor objects that could be blown over by wind (e.g, patio furniture, sports equipment, trash cans, pop-up canopies)
  • Rake leaves and other yard debris and place in green bin (to keep out of gutters and storm drains)
  • Make sure your emergency kit is up-to-date: have a flashlight, radio and spare batteries handy if the power goes out.
  • Protect homes and businesses in low-lying flood-prone areas by making sandbags
  • Mariners / Houseboat occupants should secure vessel for severe wind and seas
  • Sign up to receive AlertMarin emergency calls, text message or email alerts. 
  • Discuss with your employer about – where possible -- a work from home option during the storm, especially if you live in a low-lying area where roadways flood and can keep you from returning home.
  • Visit for additional resources for preparing for a storm.

Stock up on Sandbags

We urge residents to take preparedness measures by seeking sand and sandbags should they need them. Watch a video on how to fill and place sandbags.

Sand and bags can be purchased at local hardware stores. Sand and sandbags may also be located at the following locations:*

Mill Valley Residents (3 locations):

  • Fire Station #7, 1 Hamilton Drive
  • Boyle Park, 47 Thalia Street
  • At the intersection of Molino Drive at Cascade Drive

Sausalito Residents (2 locations):

  • Sausalito Corps Yard, 530 Nevada Street
  • MLK / Park School, 610 Coloma Street

Strawberry & Alto Residents:

  • Miland Drive, first left off of Seminary, by the 7-11. Sand is located next to the fire road gate approximately 500 ft up the hill on the left

Tam Valley Residents:

  • Tennessee Valley Road at Marin Avenue, across from TCSD

Tiburon Residents:

  • Blackie’s Pasture
  • *These locations have limited stockpiles of sand and sandbags for emergency use during the rainy season. To use these stockpiles, you must supply your own labor, shovels and support.

Please note that the safety of our citizens is the first priority of City work crews, and that replenishing the sand pile and bags may become a lower priority during a storm event. If you have questions or comments please call your local Department of Public Works.

During the storm

  • Avoid unnecessary travel. Strong winds and wet roads make travel risky, and possible flooding may prevent you from returning home. Staying home is the safest option until the storm passes. If its an emergency, allow emergency responders to come to you.
  • Use extra caution when driving. If you MUST leave your home, drive carefully: slow down, keep both hands on steering wheel, turn on head lights, allow extra space between vehicles, and watch for downed tree branches, trees, and powerlines.  Allow extra time in case of detours away from flooded roadways.
  • Do not walk or drive around barricades or through standing water. Turn around, do not drown. If it’s an emergency, allow emergency responders to come to you.
  • Stay away from downed power lines. Always assume a fallen power line is live and do not touch it with your hand or other object. Call 9-1-1 immediately to report the fallen line.
  • Mariners / Houseboats should remain in port. Strong winds and cause hazardous seas which could capsize or damage vessels.
  • Monitor for the most up-to-date weather and emergency information. 

Power Outages/Downed Power Lines

Residents are advised of possible downed trees and power lines. Report downed power lines by calling 9-1-1 and PGE at 1-800-743-5002. Stay away from the downed powerlines and assume they are energized and dangerous. 

  • Check to make sure you have batteries, fully charged back-up battery packs for your devices, and a battery powered radio.
  • Recharge your laptop computer, cell phone, and other mobile devices as a precaution against a power outage.
  • Have flashlights with extra batteries for every household member.
  • Freeze water bottles or bags of water for food storage if the power goes out.
  • Have enough nonperishable food and water.
  • Make sure you can open your garage door if the power goes out.
  • If the power goes out:
  • Do not call 9-1-1 unless you are having a life-threatening emergency.
  • Call (800) 743-5002 or check the PG&E Outage Map for updates. 
  • Monitor local news for information and updates - local AM radio stations are a good source of information.
  • If you see a downed power line call 911 immediately. For more safety information about downed power lines visit PG&E's website.

Traffic & Road Closures

Flooding or fallen trees may cause traffic back-ups and road closures. 

Resources for you to stay informed:

Drive with Caution: 

  • When driving in the rain, use extra caution and always have your headlights on. Remember, if you turn on your windshield wipers, turn on your headlights.
  • Please obey the speed limits and follow other traffic at a safe distance.
  • If traffic signals are out or flashing red, come to a full stop at every intersection, and proceed as you would at a four-way stop.


Please also be aware that precipitation can increase the potential for mudslides on steeper terrain. If you see significant runoff on a slope that is not typically used for drainage, it could be due to a blockage or diversion of water from its regular course somewhere upstream. Please report these instances to Public Works. If you feel that the situation constitutes an emergency, please call 9-1-1.

  • Sausalito Residents: Please call (415) 289-4106 or call the Southern Marin Fire District (415) 388-8182.
  • Mill Valley Residents: Please call (415) 384-4800 or call the Southern Marin Fire District (415) 388-8182.
  • Marin County Residents: Please call (415) 473-7388 or call the Marin County Fire Department (415) 499-6717.
  • If it is an emergency - Call 911.


High tides, combined with high run-off sometimes leads to flooding on lower Miller Avenue and Camino Alto, as well as the Redwood Hwy Frontage Road. Please click here for High Tide information.

How to stay informed during winter storms?

Sign up for alerts and warnings. We will post regular updates to the website.

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