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JSC - Mt. Furlong
Location Name:
JSC - Mt. Furlong
Observation date:
Sunday, February 9, 2020 - 12:30
Is this an Avalanche Observation:
No
Observation made by:
Public
Tabs
Quick Observation
\\Few additional obs from the John Stevens Canyon - Mt. Furlong.
Walked into an Avalanche Forecaster at the end of the day. So, read their obs. Just a few additional points.
Big temperature swing from yesterday. 2F in the am and 27F upon return to the car.
Calm winds in the canyon bottom, increasing as the day progressed with strong ridgetop winds.
Overall there was less snow in the canyon compared to say the Essex area from the past two storms. 4" to 16" overlying the 2/1 rain crust. As noted, we didn't find the 2/5 freezing rain crust.
Winds from the previous night and day showed signs of being from an easterly direction. During our tour winds increased from a westerly direction, strong ridge top.
We did notice that available snow for wind transport was a bit limited due to the fact that the surface snow had consolidated from the previous day. Developing hard slabs along the ridgelines and exposed areas.
We found good skiing on east and north (see picture) aspects off the top of Furlong, where the wind had not affected the snow.
We skied steeper terrain, 35*+ with no signs of instability. some minor sluffing that only ran a short distance.
North westerly aspects that were exposed were less desirable, soft wind slabs made skiing challenging. Some surface cracking within the top 10" on several density layer changes.
Lot's of old avalanche debris made for some surprises hidden under the snow surface. See picture of large pieces of cornice from the previous avalanche cycle.
Snowpack, Avalanche, Weather Images: