Avalanche

Irwin Tenure

Irwin GuidesGunnison
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Observation photo 1

Quick report

Cracking
widespread

Weather

OVC/X, Temps 15-19, Winds W 5-10 G 20, HN2D = 6 @ .35, HN24 = 18.5 @ 1.05, HST = 23" @ 1.3 SWE

Snowpack

Natural avalanches observed in steep terrain from large sluffs to destructive slabs. Storm slab is stiffer than anticipated with widespread cracking, sluffing an avalanching. Most avalanches running on facets on old snow surface, further and faster than expected.

Avalanche

Size
D1.5
Type
SS
Count
4
Aspect
W
Trigger
AS
Elevation
11200 ft

Naturals on Ruby Thorton's SS-ASc-R1-D1.5-O FC-01/10 (35cm x 15m x 200m) Storm slab on old surface, ran to flats Candy's Coulior SS-N-R3-D1.5-O FC-01/10 (35cm x 250m x 150m) natural ran early this AM on sun crust, Bender to NC Knob Steep SS-ASc-R3-D1.5-O FC-01/10 (35cm x 55m x 35m) ran on old snow surface, facets above crust