New Southerly system rolling through bringing very cold temperatures.
Wrap up warm if heading out.
A Southerly wind will swap the concern to Northern aspects. With such strong winds Slabs will form much lower down slope from the ridge. Watch for dense pockets of wind blown snow if in terrain above 35degrees, above 1600m.
Small Sz1 skier triggered Wind Slab, Tarn Chutes, 02/08.
Snow coverage across the forecast area is super variable. Up to 150cm in some areas down to rime covered rocks. With many snow safety practitioners digging all over their areas and guides doing the same, this winters snowpack is becoming quite complicated. Above 1800m a thick rain crust is found closer to the ground with crystal growth observed both above and below. Although not reactive to skier traffic right now the lower snowpack require monitoring over the next few weeks.
Wednesday: Fine with morning frost, possibly severe in sheltered places. Southerly gales easing in the afternoon. Freezing level 1200m.
Thursday: Fine. Light winds. Freezing level rising to 1600m for a time in the afternoon.
Wind stripped areas and exposed ridges will be very firm. Ice axe and Crampons are recommended if venturing out.
Low
New Zealand Avalanche Advisory (NZ Mountain Safety Council)
