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Avalanche Forecast

Archived

Apr 21st, 2019–Apr 22nd, 2019

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches possible, human triggered probable.
Treeline
Natural avalanches possible, human triggered probable.
Below Treeline
Natural avalanches unlikely.

Regions

Lizard-Flathead.

Due to a very limited number of information sources at this time of year, this report is based off of weather forecast information only. If you have been out recently, send us your observations by submitting to the Mountain Information Network (MIN).

Confidence

Low - Due to the number of field observations

Weather Forecast

SUNDAY Night: Cloudy periods / moderate south wind / alpine high temperature 4 / freezing level 2000 m

MONDAY: Mix of sun and cloud / moderate to strong southwest winds / alpine high temperature 7 C, freezing level 2500 m

TUESDAY: Sunny with cloudy periods / moderate southwest wind / alpine high temperature 8 C / freezing level 2700 m

WEDNESDAY: Mix of sun and cloud / light west wind / alpine temperature 6 / freezing level 2300 m

Avalanche Summary

No new avalanches have been reported in the region. Please submit your observations to the Mountain Information Network.

Snowpack Summary

In most places rain from Saturday has likely made the surface snow moist or wet except for the high elevation alpine. If there has been a good overnight freeze, there may be a supportive crust on the surface. The mid and lower snowpack pack are likely a mixture of moist snow and crusts. Below treeline the snowpack has melted or is isothermal.

Problems

Loose Wet

Loose Wet avalanches are the release of wet unconsolidated snow or slush. These avalanches typically occur within layers of wet snow near the surface of the snowpack, but they may quickly gouge into lower snowpack layers. Like Loose Dry Avalanches, they start at a point and entrain snow as they move downhill, forming a fan-shaped avalanche. Other names for loose-wet avalanches include point-release avalanches or sluffs. Loose Wet avalanches can trigger slab avalanches that break into deeper snow layers.