Lyon County prepares for possible flash flooding with upcoming storm
Lyon County is taking a proactive approach with the anticipated upcoming storm. With rain predicted in higher elevations the threat of flash flooding is a concern, said County Manager Jeff Page. Lyon County crews are establishing self fill sandbag stations at the following locations:
— Silver Springs Animal Control Yard. (East of Ramsey Weeks)
— Stagecoach Community Center. (Highway 50)
— Outside of gate at 200 Lakes Blvd, Road/Utilities Yard.
— Fire Station on Red Rock Rd, Moundhouse.
— Silver City Community Center.
A major winter storm will affect the Sierra Nevada and western Nevada Wednesday and Thursday. How long the storm lasts, snow levels, and the resulting impacts are questions that remain to be answered, according to the National Weather Service.
Strong winds are expected to begin Tuesday night and last through Thursday. Periods of heavy wet snow above 8,000 feet are certain with rainfall possible between 6,000 to 8,000 feet. As with any major storm, travel issues will occur.
Tuesday is the last tranquil weather day through the end of the week. Heavy rains, snow, brief ice, and high winds all possible.
— Existing Snow: Do as much cleanup from weekend storm as possible. Reduce snow load on structures. Clear snow from drains and gutters.
— Evaluate your "back up plans" for travel over the Sierra (snow/rain) and wind prone valleys (wind) Wednesday-Thursday.
— Winds Incoming: secure loose objects, construction equipment, and garbage cans ahead of the strong winds. Power outages possible, so be sure to have extra batteries and supplies on hand.
— Medium confidence for strong winds valley locations, with forecast wind gusts 50 to 70+ mph. Hazardous travel is likely for high profile vehicles, including but not limited to Highway 395/580, Interstate 80, and Highway 95.
SNOW and ICE IMPACTS: Significant Sierra Cement Above 7000 feet.
— Snow levels will begin at valley floors, but then rise up to around 7000 feet (NE CA) to 8000 feet (Mono/Inyo County) Wednesday.
Snow Amounts Through Thursday:
— High confidence: 2 to 5 feet above 8000 feet elevation, especially for Mammoth Lakes.
— Medium confidence: 6 to 10 inches at lake level, including Truckee and South Lake. Might be less if snow levels stay higher.
— Low confidence for elevations up to 7000 feet: For NE CA/NW NV 6 to 12 inches, with 12 to 30 inches west of Highway 395 possible. For western Nevada, anywhere from a trace of snow up to a foot in the foothills above 5000 feet.
Freezing rain may form ahead of the strong winds across rural west central Nevada valleys and Interstate80 USA Parkway to Winnemucca Wednesday morning.
Snow may continue through Friday in the Sierra (high confidence), and possibly down into western Nevada valleys
low-medium confidence).
RAIN IMPACTS:
Plan for Heavy Rain, especially below 7000 feet. Periods of rain even in mountain communities- urban flooding possible with snow covered drains. Dry, cold snowpack will hold a lot of new water before runoff occurs.
— Plan for rises in streams, terminal lakes in lower elevations of Western NV.
— Minimal concern for burn scar or main river flooding.
For more extensive details go to weather.gov/reno
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