Bollettino valanghe

Eastside Region

Eastern Sierra Avalanche Center
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Pericolo valanghe

Wed
Alta quota
2 · Moderato
Limite del bosco
2 · Moderato
Sotto il limite
2 · Moderato
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Non aggiornato — questo bollettino è scaduto 5 years ago. Stai vedendo condizioni passate, non il bollettino in corso.

In sintesi

MODERATE avalanche hazard exists for WIND SLAB at All Elevations on Northerly-Easterly aspects. Westerly to southwesterly winds will continue to impact the area stripping and transporting snow to terrain adjacent to ridgeline on leeward slopes. Identify features conducive to capturing wind-deposited snow and adjust routes accordingly.

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Problemi valanghivi

  • Wind Slabs

    • Alta quota
    • Limite del bosco
    • Sotto il limite del bosco
    Probabilità
    Possible
    Dimensione
    1–2

    The leeward aspects of NW-N-NE-E-SE are of most concern for WIND SLAB with ALL ELEVATION bands subject to active loading conditions. Southwesterly winds are forecast to switch to a more Westerly direction today and continue to blow at strong to extreme velocities. Wind velocities did not look to reach the projections yesterday and last night, but nevertheless they still blew consistently and hard enough to visibly move snow throughout the forecast zone Monday. Be on the lookout for blowing snow, fresh looking pillows of snow, and uneven snow surfaces. Elevations at and below tree line have soft, transportable snow (more so than the higher alpine areas) so pay particular attention to terrain conducive to collecting transported snow below tree line, such as areas adjacent to ridgeline, cliff bands, rock outcroppings, convex roll overs, and gullies that may be cross-loaded. Be aware of what is above you and consider the consequences of tight constricted terrain where even a small volume of sliding snow may take you for a nasty ride.

Avalanche Discussion

The likelihood of human triggered avalanches remains possible in complex terrain and catchment zones, especially adjacent to ridgeline. Although size of potential triggered avalanches is likely small, they could prove to be dangerous if you’re travelling in consequential terrain. Much of the alpine environment is now wind sculpted, smooth, and firm where a rider could pick up velocity with a fall. Crampons and ice axe are advantageous if venturing to higher pursuits in the alpine as well as a keen eye for active wind loading and deposition of snow.

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