CTM 13 @54cm Windslab below Roberson col

We bailed on the French Haig Roberson 2018.01.16 because we didn't want to go up the slope to the Robertson col. 1 Finger density windslab with moderate sudden planar fracture down 6cm (11 taps), 21 cm (12 taps), 54 cm (13 taps). Warm conditions in the Alpine, recent solar sluffing on S rocky areas. One sz 1.5 Na slab release visible on steep SE aspect. Valley bottom in the French drainage is soft, tinkling surface hoar abound. French glacier wind hammered.