Winter Storm Watch: Nearly 8 Feet of Snow Forecast for NorCal Mountains this Week

As the very beginning of 2020 took shape, Northern California enjoyed mostly sunny skies and moderate temperatures, but that’s about to change. A series of three storms over four days are about to drop another load of snowfall on the NorCal mountains, bringing with them the usual travel delays and dangerous high-elevation travel.

The National Weather Service has issued a Winter Storm Watch for Wednesday afternoon through Friday which could bring nearly 7 feet of snow to the peaks of NorCal. The passes near Tahoe and the Eastern Sierra could see up to 4 feet, while Lassen Volcanic National Park could see up to 80 inches in just 72 hours.

Heavy snow is also expected on the peaks of Siskiyou, Trinity, Del Norte and Humboldt Counties:

The incoming storms are cold, bringing snow as low as 2,000 feet and speculating some hail during the week. Travel will be highly affected this week, with chain controls expected near high passes and possible road closures in high elevations, especially I-80 and Highway 50 near Tahoe.

The California snowpack is about to grow significantly! Stay safe out there, NorCal.

Here are some winter driving tips from CalTrans:

Before traveling, Caltrans recommends checking weather and road conditions. Caltrans QuickMap is an online resource with real-time traffic flow information, chain control alerts, and closure information. It is available at http://quickmap.dot.ca.gov/ or you can download it as an app for your phone from Google and Apple. Motorists can also call 511 or the Caltrans Highway Information Network at 1-800-427-ROAD (7623) for travel information.

Winter Driving Tips:

  • Be patient.
  • Give yourself extra time to travel, conditions can add travel time.
  • Reduce your speed to match driving conditions and allow more time to reach your destination. Know that bridges and ramps may be more slippery than the roadway.
  • Keep your electric vehicle batteries charged and your fuel tank full. Bad weather may cause long delays or closures.
  • Turn on your headlights to see and be seen. Be observant and maintain a safe distance behind snow removal equipment. Do not crowd the plow. Do not pass snow plows unless directed to do so by law enforcement or emergency public service personnel.
  • If a traffic signal is out, treat as a stop sign, come to a complete stop, look both ways, and proceed with caution.
  • When driving in fog, reduce your speed and use fog lights—makes and models vary. Stay to the right along the white edge line and never stop in the road. If visibility is not adequate, pull off of the roadway when safe to do so.
  • Do not drive through flooded areas. Safely turn around and find another route.
  • If you start sliding on snow or ice, slowly take your foot off the gas pedal and steer in the direction you wish to travel. Do not lock your brakes—pump the brakes if needed or apply steady pressure if your vehicle is equipped with anti-lock brakes.
  • Don’t use cruise control.
  • Avoid in-car distractions while driving.
  • If you are stalled, activate your hazard signals and stay with your vehicle. Conserve fuel by periodically turning your engine on and off while maintaining warmth, but be aware of possible exhaust and carbon monoxide issues.
  • If you approach an emergency, maintenance, or any other public service vehicle stopped on the side of the road with flashing lights, move over if safe to do so, or slow down.
  • Winterize your vehicle. Make sure your brakes, windshield wipers, heater/defroster, and exhaust system are in good working order. Make sure fluids are topped-off, especially windshield washer fluid.
  • Make sure your tires are properly inflated and always carry tire chains, even if you think your all-wheel drive car is capable.
  • Pack an emergency kit in your vehicle with the following items: flashlight, blankets, extra clothing, water, snacks, towel, gloves, ice scraper, shovel, broom, sand, and carry a spare key on your person in case you lock yourself out of your vehicle.

Chain Control Information:

All vehicles, including those with four-wheel drive or snow tires, should carry chains when traveling in snowy weather. Highway signs and QuickMap will indicate when chains are required, and drivers must stop and install chains. Motorists should pull off the roadway completely to install them. If you need help, chain installers may be available to assist for a fee. Please note, chain installers are not Caltrans employees. They are independent business people who are licensed to install chains. Once chains are installed, obey the speed limit of 25 or 30 miles per hour, posted at various locations.

Chain Control Levels:

  • R-1: Chains, traction devices or snow tires with proper tread depth of 6/32″ are required on the drive axle of all vehicles except four-wheel/all-wheel drive vehicles.
  • R-2: Chains or traction devices are required on all vehicles except four-wheel/all-wheel drive vehicles with snow-tread tires on all four wheels. NOTE: Four-wheel/all-wheel drive vehicles must carry traction devices in chain control areas.
  • R-3: Chains or traction devices are required on all vehicles, no exceptions. NOTE: R-1 and R-2 are the most common chain controls. The highway will usually be closed before an R-3 control is imposed)

For more information on winter driving, chain controls, and additional resources, visit Caltrans Winter Driving Tips page. Please be safe out there California.

Active NorCal

Northern California's Outdoor Digital Newsmagazine

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