Lake Tahoe went from blizzard to dirt in weeks amid rates of snowmelt that hydrologists described as historic. And now comes a record-shattering March heat wave.

Reporter Erin Heft at Donner Summit shares tips for a clean snow park visit.

Add Yahoo as a preferred source to see more of our stories on Google. High avalanche danger is expected in the central Sierra as fresh snow raises slide risk across Lake Tahoe, Truckee and Donner ...

If the party had waited out the storm in their cabins, one of the skiers said, the outcome might have been different.