The following message is transmitted at the request of the Eastern Sierra Avalanche Center. The Eastern Sierra Avalanche Center in Mammoth Lakes has issued a BACKCOUNTRY AVALANCHE WATCH for the following areas: NWS Reno NV - CA-073 (Eastern Sierra in Mono County) * WHAT...Avalanche Danger will increase to HIGH for all elevations starting at 7 PM this evening and remain elevated through Sunday night. * WHERE...The eastern slopes of the Sierra Nevada mountain range between Virginia Lakes to the north to Bishop Creek to the south. * WHEN...In effect from 7 PM PST this evening until 10 PM PST Sunday evening. * IMPACTS...Up to 2 feet of new snow at very high snowfall rates combined with wind loading are expected to create difficult travel conditions and widespread areas of unstable snow. * PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche conditions will develop tonight. Travel in avalanche terrain is not recommended. Avalanches may run long distances and can run into mature forests, valley floors, or flat terrain. Consult http://www.esavalanche.org/ or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.