Observation: Summit

Location: Manitoba Mtn

Route & General Observations

Followed standard uptrack from Manitoba Hut to high point on W.face of Manitoba mtn at 2600 ft.

Red Flags
Red flags are simple visual clues that are a sign of potential avalanche danger. Please record any sign of red flags below.
Observer Comments

None obvious

Weather & Snow Characteristics
Please provide details to help us determine the weather and snowpack during the time this observation took place.

Storm on 2/18 dusted area with 1-2 cm of light snow. Morning of2/19 saw clear skies with some local ST clouds forming below ridges in late morning. At 1400 temp was 27F with NW breeze at 2-3 mph.

Snow surface

Loose snow to approx. 2550 ft. Above that elevation wind slab/loose snow mix (pic). Storm on 2/18 dusted old snow surface with 1-2 cm of light dry snow. Observed 1-2 mm surface hoar formation on new snow surface in open areas above 2100ft (pic). Formed during the previous evening when stopped snowing and skies cleared.


On 2/17 did quick pit at 2560 ft on 21 deg W. facing slope of Manitoba. Snowpack depth 165 cm with 35cm 4F snow overlying buried surface hoar layer. Got CT23, breaking on bsh layer and ECTN. No appreciable change noted with snowpack since that date other than dusting of new snow and sh development.

Photos & Video
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