60-degree temperatures warm up Sierra snowpack | RecordCourier.com

60-degree temperatures warm up Sierra snowpack

Staff Reports

The high temperatures cracked 60 degrees at 8,600 feet on Sunday, and didn't drop below 40 as the snow melt-off began in earnest at the top of the Carson River basin over the weekend.

There was still 104 inches of snow at Ebbetts Pass on Monday morning, down about a foot over seven days, according to snow telemetry operated by the Natural Resources Conservation Service. Ebbetts Pass is at the top of the river's East Fork.

The snow depth at Carson Pass was 77 inches on Monday morning, down 10 inches over the week.

Minor flooding is forecast along both forks of the Carson River from Alpine County to where they meet just above Genoa Lane.

Six feet of snow clings to Sonora Pass at the top of the Walker River Basin but is melting slowly, where the National Weather Service has revised its flooding prediction for this week.

Forecasters have downgraded the flooding projection from major to moderate at Mason on the Walker River.

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They said more precise forecasting and management of reservoirs at Topaz Lake and Bridgeport was aided by the installation of emergency U.S. Geological Survey gauges.

Cooler temperatures than expected brought slower snowmelt to reduce the predicted crest on the Walker.

Both Sonora and Ebbetts passes are still closed due to snow, according to the California Department of Transportation.