Persistent Slabs
N
NE
E
SE
S
SW
W
NW
- Hochgebirge
- Waldgrenze
- Unterhalb der Waldgrenze
- Wahrscheinlichkeit
- Possible
- Größe
- 1–2
You can trigger avalanches breaking 1 to 2 feet deep on slopes harboring stiff, recently-drifted snow. Look for and avoid stiffer drifts of snow on east and south-facing slopes near ridgelines and in cross-loaded gullies and terrain depressions.
In steep, sheltered areas weak layers are buried 1 to 2 feet deep on northerly and east-facing slopes. Collapsing sounds and shooting cracks are signs that you have found this unstable snowpack.
Lower-elevation, wind-sheltered slopes less than about 30 degrees offer the safest riding options.