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Tahoe, Donner Lake levels: A successful water year

Citizen science weather tracking effort started at Tahoe goes national

SOUTH LAKE TAHOE, Calif. A project started at Lake Tahoe to differentiate snow from rain near the freezing point has grown and has received funding from NASA for three more years. Satellite technologies often.

Agency gathering data to improve rain, snow predictions

  It’s 35 degrees in the Lake Tahoe Basin and the weather calls for precipitation. Will it be rain or snow? Turns out, that is not an easy question for scientists to answer. However, scientists at the Desert Research Institute, with the help of citizen scientists, are trying to find an easier answer to that question with their ‘Tahoe Rain or Snow?’ project. Keith Jennings, a water resource scientist with Lynker Technologies is the “data guru” on the project. “In a water resources model, it’s really easy to predict snowfall when it’s cold, so say 20 degrees, it’s almost always going to be snow,” Jennings said. “Same when it’s warm, when it’s 50 plus degrees, it’s almost always going to be rain. However, in the middle zone, particularly the few degrees above freezing, 32 to 40 degrees, even the best methods tend to get it wrong about 40% of the time.”

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