Persistent Slabs
N
NE
E
SE
S
SW
W
NW
- Alta quota
- Limite del bosco
- Sotto il limite del bosco
- Probabilità
- Possible
- Dimensione
- 1.5–2.5
Two buried surface hoar layers are in the upper meter of the snowpack; one is down 40 to 60 cm and has been recently active, the other is down 60 to 80 cm. These layers are at a time of enhanced sensitivity as they adjust to the new load.