`` Jim Jack , you will be so missed . '' NEW : A fourth man died in an avalanche elsewhere in Leavenworth , his family says . Jim Jack , Jim Jack and Elyse are killed in Cascade Mountains . Professional skier John Brenan Saugstad credits an airbag backpack for her survival . She recalls swiftly `` taking more than a 2,000-foot ride down an avalanche ''
NEW : A fourth man died in an avalanche elsewhere in Leavenworth , his family says . Jim Jack , Jim Jack and Elyse are killed in Cascade Mountains . Professional skier John Brenan Saugstad credits an airbag backpack for her survival . She recalls swiftly `` taking more than a 2,000-foot ride down an avalanche ''