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Tuolumne Meadows Winter Conditions Update for March 20, 2019

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Tuolumne Meadows Winter Conditions Update for March 20, 2019
March 21, 2019 08:53PM
Tuolumne Meadows Winter Conditions Update for March 20, 2019

Merced Lake on March 15, 2019.

Update for March 20, 2019
Posted by: Laura and Rob Pilewski

New snow: 6 inches
Total settled snow depth: 91 inches (at 8,600 feet)
High temperature: 50°F (March 16)
Low temperature: -1°F (March 14)

Ski Conditions and Weather
Spring sprung a week early in the high country and after such an intense winter we can’t say we were too disappointed. We temporarily put down our shovels and headed south on a wilderness patrol (the opposite direction of most critters this time of year). The touring conditions were quite good with minimal trail breaking and fast travel. Snow conditions were a mixed bag at most aspects and elevations. But, one could find powder on sheltered north facing slopes and corn snow on the lower elevation south facing ones. Down at Merced Lake, snow depth averages 4 ½ feet with south aspects getting thinner daily. Below 7,500 feet things were melting fast and snow bridges are becoming fewer and farther between with deeply carved channels.

Skier, Merced Canyon, and Half Dome on March 17, 2019.

Now, the corn cooking cycle is on hold and unsettled weather has returned to the central Sierra Nevada with six new inches on the ground and constantly changing surface conditions.

Park visitors approaching from the east via the Tioga Road and Lee Vining Canyon should not expect a road grade. Along the road, there is one steep side-hill section at approximately 9,200 feet just below (east of) the Green Bridge that requires particular caution. The snowline extends down to the closed gate, but there are several patches of bare pavement between the gate and 9,000 feet elevation. As spring progresses and the days get longer, the snowline will continue to creep upward. Visitors have been taking both the road corridor and Lee Vining Canyon proper to get to Tuolumne Meadows and it’s just a matter of personal preference. We still recommend carrying an ice axe and crampons for times when the snow is firm.

Avalanche and Snowpack Conditions
Please refer to the Eastern Sierra Avalanche Center (ESAC) for the avalanche advisory for this part of the Sierra Nevada.

The snowpack went through a good melt freeze cycle on southerly aspects and at lower elevations this week. But, the new snow may not bond well to these firmer surfaces or the faceted powder that was on northerly slopes at higher elevations.

Winds are expected to follow some of these disturbances, so wind and storm slab avalanches may be a hazard depending on snowfall amounts and transport. If things do warm up post storm, wet slides may also become of concern.

The Clark Range near Mt. Clark on March 16, 2019.

At Merced Lake Ranger Station the songs of spring were in the air. In addition to the sounds of cascading water along the river, we saw and heard the water ouzel cheerfully (as it always appears) dipping upon a log. Brown creeper and mountain chickadee mating songs greeted the day while the great horned owl lulled us to sleep at night.

General Information
The Tuolumne Meadows Ski Hut is open. There is firewood and 8 bunks that are available on a first-come, first-served basis.

There is no phone service in Tuolumne Meadows. We can be contacted regarding winter travel to Tuolumne Meadows via email, but we may be delayed in responding if we are on patrol.

For those visiting the Tuolumne Meadows Ski Hut from the east (only) permits are self-issued at the ski hut. For those entering from other areas, visit: https://www.nps.gov/yose/planyourvisit/wildpermits.htm or you may contact the wilderness office at 209/372-0740.

Come prepared, and please make good decisions while travelling in the wilderness!

Happy Skiing!
Laura and Rob Pilewski - Tuolumne Meadows Winter Rangers

Obelisk Lake, Merced Canyon, and Cathedral Range on March 16, 2019.

(Edited to put the ginormous photo at the bottom of the post)

Edited 1 time(s). Last edit at 03/21/2019 09:04PM by FatFlatlander.
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