Central Sierra Nevada

Problèmes avalancheux

• 

  Wind Slabs

  N

  NE

  E

  SE

  S

  SW

  W

  NW

  • Alpin
  • Limite forestière
  • Sous la limite forestière

  Probabilité

  Possible

  Taille

  1–2

  Blowing snow, new cornice formation, and snow surface scouring should occur in near and above treeline areas as Northeast/East winds increase in speed.  Identify where new winds slabs will be forming and move around any areas of concern.  Wind pillows or snow surface cracking will be indicators of unstable snow forming.  Better snow quality and less avalanche hazard will exist in wind protected terrain.

  Multiple wind slab avalanches were reported yesterday throughout the forecast region.  Wind loaded slopes and large cornices that formed during the storm from southwest winds will start to wind scour with snow being transported off of these slopes by increasing Northeast/East winds today.  New wind slabs will form on SE-S-SW-W-NW-N aspects and will be largely dependent on wind speeds and how much snow transport is occurring in your area.  Isolated slopes with Northeast wind protection could continue to have some lingering instabilities on NE-E aspects.