Low Angle Wide Propagation

We spent most of our day riding sheltered low angle trees due to WS at ridge tops. As we travelled into another protected area that did not have wind effect, we had a Va Size 2 fail down 50-70cm. Sledder rode out and was not involved. ** Slope Angle 27deg ** Aspect was NE, Elevation 2050m, Bed surface was suspect Feb 13th SH