Followed an established skin track up the South Fork Snoqualmie near Source Lake then ascended switchbacks south west towards Pineapple Pass.
Dec. 13, 2016, 11:15 a.m. PST
Weather: At the Alpental upper parking lot- Time: 0930, Temp: -8c, Wind: calm, Sky: valley fog between 3,600 and 4,400' @ 4,800' near Pineapple Pass- Time: 1115, Temp: -7c, Wind: calm, Sky: clear with valley fog below at approx 4,400'
Snowpack: North facing 22 degree slope @ 4,800' H.S. 169cm, Ski Pen 24cm CTM @ 30cm down ECTN17 BRK @ 30cm down A strong temperature gradient at the surface, air temp -7c/ surface temp -17c, produced 3mm surface hoar through out this area. Great snow quality and only a few tracks.
Area Description: Alpental, Source Lake, Pineapple Pass
Avalanches: Below Bryant Peaks south ridge on a N.E. 40 degree slope below cliffs, maybe natural trigger from falling snow, 2-3 days old, SS-N-R1-D1.5-15cm x 30m x 65m
Observation by Jere Burrell
Did you see any avalanches? No
Did you trigger any avalanches? No
Was anyone caught in an Avalanche? No