equinox slid

Map for Mountain Information Network report: equinox slid

Information

Avalanche date/time
Friday, March 5, 2021 at 14:00
Number of avalanches in this report
1
The size of avalanche
2
Slab thickness
20cm
Slab width
100m
Run length
1,000m
Avalanche Character
  • Storm slab
Trigger type
Natural
Start zone aspect
  • N
Start zone elevation band
  • Alpine
Start zone elevation
2,000m
Start zone incline
40°
Runout zone elevation
1,600m
Wind exposure
Lee slope
Vegetation cover
Open slope

Comments

Equinox (top) slid some time just before the end of the storm (March 5th 2:00pm was a guess). It looks like it started below the ridge crest but it may have started higher on pascall.

It ran for about 400 vertical meters. The crown looked small (maybe 20-30cm) and there were no big chunks in the debris. It was full width.

I did a compression test on the west side of pascall just below ridge crest that indicated failure at about 20 cm down (9th elbow tap/ CTM19).