Avalanche Advisory for February 29, 2020
Weather Shift
Weather Shift
Warming Temperatures
New and Wind Drifted Snow
Increasing danger with new snow
Low Danger Does Not Mean No Avalanche Danger
Warm and sunny weather is here
More snow = More avalanches
New snow and wind on the way
Isolated windslab and possible cornice fall
Isolated wind slab and possible cornice fall
Strong winds and more snow
Storm and Wind Slabs
New Snow on the Way
New Snow, Rain and Wind
Persistent Slab Avalanches are Possible
Strengthening snowpack
Persistent Slab Avalanches are Possible
Widespread depth hoar, wind slab and warm temperatures
Shallow areas are suspect
Triggering a Large Avalanche is Possible
Wind slab and large destructive avalanches possible
Dangerous Snowpack
Wind loading and deep weak layers
Persistent Weak Layers
Dangerous Avalanche Conditions
New Snow, Wind Slabs, and Persistent Slabs
Dangerous Avalanche Conditions
High winds and rising temperatures
Dangerous Avalanche Conditions
Avalanche Warning
A shaky foundation
New Snow on a Weak Snowpack
Thin and Weak Snowpack
Poor Structure - Thin Snowpack
Poor Snow Structure
Weather Shift
Persistent Weak Layers
Complex and Dangerous Snowpack
Increasing Danger
Persistent Weak Layers