BC Zone Observation Report
Wednesday, January 22, 2020 at 12:00 AM
Front Range
Details
Date:
2020/01/22
Observer:
Public
Location
BC Zone:
Front Range
Area Description:
RMNP- Dragonstail Couloir, above Emerald Lake
Weather
Weather Description:
@ 10,400ft from Embryo Lake Wx Station -Temps: 18- 21F. Winds: SW-S-E, 5-20 mph G25 by Noon. RH 80-85%. Precip: SN. 4" new at Bear Lake manual study site in last 24hrs.
Snowpack
Snowpack Description:
New/old interface from 1/15/20 time period firm on SE- E aspects. Moderate wind events (W-S-E) with efficient transport and new precip occurred in last week. 1/20 temps above freezing up to 11,000ft
Avalanches
Avalanche Description:
At ~ Noon an avalanche occurred in the Dragonstail Couloir- 2 skiers skinning up the couloir on the eastern side and reported a natural release occurring above the pair. The lead skinner was carried roughly a couple hundred feet downhill and buried to the chest level with a deployed avalanche airbag. Crown was roughly 5 meters wide, mid path and ran about 200ft down slope before debris fanned out into the apron. One of the skiers sustain injuries.
Date
Location/Path
#
Elev
Asp
Type
Trig
SizeR
SizeD
2020/01/22
†
Rocky Mountain National Park
1
TL
SE
SS
N
R2
D1.5
Date:
2020/01/22 (Estimated)
Area Description:
Dragon Tail couloir
Landmark:
Rocky Mountain National Park
Sliding Surface:
O - Within Old Snow