"Sun night (02/15) through Tue night (02/17) is the core punch, and many Sierra mountains can stack 20″-50″ in that window as snow levels crash. Expect a lighter start Sunday night, then snowfall rates ramp up hard Monday night into Tuesday with widespread coverage across Tahoe, the central Sierra, and down into Mammoth. Snow levels begin around 5,000 to 5,500 feet early, then fall into the 1,500 to 2,500-foot range by Tuesday and Tuesday night, which helps keep even lower terrain in play for all-snow."
"Snow levels start relatively high early in the cycle, then plunge into a much colder setup by Tuesday and Wednesday, so snow quality improves as the week goes on. The windiest stretch lines up around Monday night and Tuesday with strong southwest flow on exposed ridges, which can make upper mountain skiing feel rugged even when it's snowing hard. Southern California gets a solid storm too, though higher snow levels keep the snow denser at times."
California ski resorts become active starting Sunday night (02/15) with a weeklong storm cycle capable of delivering 1.5 to 8 feet of snow by Saturday (02/21). The core storm arrives Sun night through Tue night, where many Sierra peaks may stack 20–50 inches as snow levels fall from 5,000–5,500 feet to 1,500–2,500 feet, allowing all-snow at lower elevations. Snow ratios trend denser (9–12:1) early, then improve to 15–19:1 as colder air arrives, producing drier snow. Strong southwest winds Monday night into Tuesday will produce 30–40 mph sustained speeds and 60–85 mph ridge gusts. A colder midweek pattern adds another 4–23 inches in favored terrain and improves snow quality.
Read at SnowBrains
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