Avalanche danger is high in area | SierraSun.com

Avalanche danger is high in area

Near and above treeline avalanche danger is considerable with areas of high danger on heavily wind-loaded North-North East-East aspects, 35 degrees and steeper, according to the Sierra Avalanche Center.

Below treeline avalanche danger is low, with isolated pockets of moderate danger on open wind loaded slopes 37 degrees and steeper.

As the cold front moves east of the forecast area, the winds should start to decrease, temperatures should increase, and there should be a break in the snowfall. By this afternoon most of the snow showers should have tapered off.

Even with the forecasted decrease in wind speed today, the winds should still be strong enough to transport snow. The next system should start to affect the forecast area tonight. Initially the winds should increase again with sustained wind speeds reaching 70 to 90 mph with gusts to 125 mph above 8000 ft. by tomorrow afternoon.

This system has more moisture associated with it, and snow totals in the Sierra could reach a foot or more by Friday morning.

In the last 24 hours 12 to 14 inches of new low density snow fell along the Sierra Crest. The Mount Rose area received about 5 inches of even colder, lighter snow.

The winds continued to blow mostly from the southwest and increased over the course of the yesterday. Sensors along the Sierra Crest recorded sustained wind speeds greater than 75mph from 4pm through 9pm yesterday with gusts as high as 146 mph.

For more information, go to http://www.sierraavalanchecenter.org.

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