Jasper

Cornices are large so give them a wide berth. Sun has the potential to increase the afternoon avalanche danger at all elevations particularly on S aspects, sun affected bowls, and gullies. Human triggered avalanches remain possible in isolated areas. 

Strong diurnal temperature fluctuations will continue to occur. Sunday should stay relatively cool, sun with afternoon clouds, and light N winds. Freezing level should reach 1000m by the afternoon. Monday through Wednesday should be clear skies with a solid freeze occurring at night. Freezing levels are rising to 1600m by late afternoon.

A variable thick slab exists in alpine and treeline locations on a variety of aspects. It is over a strong midpack except in shallow locations where you could trigger basal facets or depth hoar weakness at the ground. At treeline in south facing terrain, their is a suncrust 80 cm deep. Strong diurnal temperature fluctuations have helped stability. 

Nothing new noted on Saturday's Icefield's patrol with good visibility. A size 3 was observed Friday off Indian ridge main peak up Whistler creek. It scrubbed to ground and ran far. Thursday in Shangrila a size 3 occurred. It was triggered by cornice fall in the afternoon heat, scrubbed to ground, 2m crown, and ran full path.

Timing or intensity of solar radiation is uncertain