North Shore - Burwell Mountain
Observed Apr 12, 2023, 11:00 a.m. PDT · Southwest Coast
This report was submitted with an older form.
Quick report
- Comment
- Observations from the northwest and northeast side of Burwell Mountain. Several very large and deep slab avalanches released during the heavy rains on the Easter weekend. Most likely from April 7 or 9. This area received over 400 mm of rain with two warm storms. The slabs likely released on deep weak layers near the base of the snowpack - crowns appeared to be 2-4 m deep.
- Weather
- Sunny
- Riding quality
- Ok
- Snow conditions
- Crusty, Powder
Avalanche report
- Run length
- 400
- Slab width
- 195
- Trigger type
- Natural
- Wind exposure
- Lee slope
- Avalanche size
- 3
- Slab thickness
- 300
- Start zone aspect
- NW
- Vegetation cover
- Open slope
- Start zone incline
- 35
- Avalanche character
- Deep persistent slab
- Number of avalanches
- 2-5
- Start zone elevation
- 1300
- Runout zone elevation
- 897
- Avalanche observation
- More than48hrs ago
- Start zone elevation band
- Tln
- Avalanche occurrence datetime
- 2023-04-09T22:31:00.000Z