| Recent Avalanches? | No |
| Collapsing (Whumphing)? | Yes |
| Cracking (Shooting cracks)? | No |
Observation: Summit
Location: Manitoba
Skinned typical uptrack to just below the hemlock grove island before the push to the ridge ~2800″
Obvious signs of instability
Observer Comments
After we pushed pasted the last of the hemlock forest around 2500' we experianced numerous isolated whumphing and collapsing underfoot propagating 10' from skis.
Weather
Clear skies, few clouds in the afternoon. Light winds out of the SE. Temps at 9am were -5C rising to -3 around 1pm. Light snow transport
Snow surface
Surface Hoar (5mm) at 2300' on SW aspects all the way to our pit sit at 2700'.
Snowpack
Overall snowpack (HS) 46cm at 2700' on a W aspect 21 degree slope. Deeper in gullies.
46cm-21cm: Fist
21cm-8cm: 4 Finger
8cm-0cm Fist
Pit results all failed on the the lower fist layer which was composed of a 2mm depth hoar layer (CT22 Sudden Collapse, ECTP12 Sudden Collapse)