Issued by Brandon Schwartz - Tahoe National Forest
A mostly dry weather system will pass through the forecast area tonight. Ahead of this system, ridgetop winds have shifted to the SW this morning. Little in the way of snowfall is expected. A short lived break down of air temperature inversion conditions is the major expected outcome. A strong NE wind event will occur on Saturday with ridgetop gusts to 75 mph or more. High pressure will rebuild over the forecast area. A strong cold front is likely to impact the region mid week.
* Widespread firm, wind scoured snow surfaces exist on most aspects near and above treeline.
* Variable snow surfaces with some areas of softer snow exist near and below treeline in shaded, wind protected areas.
* Areas north of Emerald Bay above 8,000', hold decent snow coverage. Below 8,000' snow coverage remains patchy and shallow.
* South of Emerald Bay, less snow exists. Areas below 8,500' hold very little snow. A deeper but highly variable snowpack exists in areas above 8,500'.
* Snow coverage continues to decrease due to melt on southerly aspects throughout the forecast area.
Isolated areas of difficult to trigger (stubborn) instability do exist near and above treeline on WNW to NW aspects within the forecast area. That said, on a regional scale triggering an avalanche is an unlikely event. Use normal caution to help improve the outcome in the unlikely event of a hard wind slab avalanche.
In utilizing best travel practices for moving around and through avalanche terrain, make sure your partner is competent and in position to perform a companion rescue in the unlikely event of an avalanche. If you and your partner are exposed to hazard at the same time, your partner is not ready, or is out of position, you are "effectively solo", even though you technically have a partner.
Common mistakes include:
*Skiing/riding directly above your exposed partner even though you are technically moving one at at time. This is an easy way to create multiple burials.
*Having a partner who is too far below to get up to a burial location in a short time (transitioning to skinning is not quick for most folks). Snowmobiles have an advantage and can get uphill quickly, but the partner must be at the ready (not helmet off with engine off).
|0600 temperature:||37 to 47 deg. F.|
|Max. temperature in the last 24 hours:||55 to 59 deg. F.|
|Average wind direction during the last 24 hours:||E shifting to SW|
|Average wind speed during the last 24 hours:||E 30 mph | SW 25 mph|
|Maximum wind gust in the last 24 hours:||E 59 mph | SW 44 mph|
|New snowfall in the last 24 hours:||inches|
|Total snow depth:||15 to 32 inches|
This avalanche advisory is provided through a partnership between the Tahoe National Forest and the Sierra Avalanche Center. This advisory covers the Central Sierra Nevada Mountains between Yuba Pass on the north and Ebbetts Pass on the south. Click here for a map of the forecast area. This advisory applies only to backcountry areas outside established ski area boundaries. This advisory describes general avalanche conditions and local variations always occur. This advisory expires 24 hours after the posted time unless otherwise noted. The information in this advisory is provided by the USDA Forest Service who is solely responsible for its content.
For a recorded version of the Avalanche Advisory call (530) 587-3558 x258
This website is owned and maintained by the non-profit arm of the Sierra Avalanche Center. Some of the content is updated by the USDA avalanche forecasters including the forecasts and some observational data. The USDA is not responsible for any advertising, fund-raising events/information, or sponsorship information, or other content not related to the forecasts and the data pertaining to the forecasts.