Here are some pics from Sat. on NE exposure above Grizzly lake. Look at the depth of the slab on the zoomed pic left side. Doesn't look like a cornice failure initiation.
At 2280 meters the temperature was -4, winds were 20-30 KPH from the S as of 06:00 hrs.
At 1550 meters the temperature was -.5, 90 % relative humidity and the barometer was rising.
In the valley it was +6.
For the updated Avalanche Advisory click here: Avalanche Advisory
Some information from Switzerland on Airbags: Swissinfo
Transmitter but does not receive: Aussie Skier
Here is a link to the above mentioned product: Snow-be
The ribbon of snow to the valley is succumbing to the temperatures and rain!