![](https://images.prismic.io/avalancheca/516f883d-0d19-4d2c-bc6b-bf98313b2f12_persistent+weak+layer+-+Raven+Eye.jpg?auto=compress,format)
- Credit
- Raven Eye Photography
A persistent weak layer is a weak layer in the snowpack that resists forming a strong bond to neighbouring grains in the snowpack over an extended time period. They can be composed of surface hoar, facets, or depth hoar.
A persistent weak layer is a weak layer in the snowpack that resists forming a strong bond to neighbouring grains in the snowpack over an extended time period. They can be composed of surface hoar, facets, or depth hoar.