Snow or rain? Winter storm could drench Lake Tahoe | TahoeDailyTribune.com

Snow or rain? Winter storm could drench Lake Tahoe

The combination of snow and rain is causing flooding on some South Lake Tahoe streets.

The amount of snow delivered by an approaching winter storm will hinge on how quickly the snow level rises.

The National Weather Service in Reno has upgraded its winter storm watch to a winter storm warning for elevations above 7,000 feet. The warning will remain in effect from 10 p.m. Tuesday to 10 p.m. Thursday.

As the weather service explained, the amount of snow from the storm depends on how quickly the snow level rises.

"Areas below 8,500 feet, the snow level forecast is highly uncertain with scenarios ranging from heavy rain to heavy wet snow," the weather service states.

Snow levels will start around 5,000 to 6,000 feet Tuesday night, but could rapidly rise to 8,000 feet by Wednesday, which would drastically decrease snow totals below 8,000 feet.

Should snow levels march upward at a slower pace, 6 to 10 inches of snow could accumulate at lake level.

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Above 8,000 feet could see 2 to 5 feet.

Winds could blow as strong as 55 mph during the storm, with ridge gusts potentially exceeding 150 mph, according to the service.