Avalanche Special Update – Snowpack Update – December 12, 2019
Increasing Danger
Increasing Danger
Persistent Weak Layers
Snowpack and Avalanche Update
Early Season Update
Early Season Update
"Historic Winter Storm"
Transitioning Snowpack
Spring Conditions
Touchy Conditions
Dangerous & Wet Conditions
Wet Hazards
Increased Wet Activity
Predictable Hazards
Low in the Am
Winter is Back
Changing Conditions
Wet Snow
Isolated Hazards
Isolated Hazards
Moderate
Moderate
Still Possible to Trigger a Slide
Variable Hazards
Hidden Dangers
Lingering Instabilities
Cold and Strong Winds
Wind Drifted Snow and New Snow
Avalanche Warning Terminated
Avalanche Warning Continues
Dangerous Avalanche Conditions
Changing Conditions
Variable and Complex Problems
Recipe for Avalanches
Different Danger for Different Ranges
Significant potential with minimal activity
Increasing Danger
Wind Slabs
Cold Wind and Snow
Increasing Danger
Isolated Dangers