This steep slope commonly avalanches since it gets cross loaded by the winds. Check out this photo from Oct 30, 2009: http://www.mtavalanche.com/images/09/couloir-sacajawea-peak Photo: Anon
Forecast link: GNFAC Avalanche Forecast for Tue Nov 9, 2010
Forecast link: GNFAC Avalanche Forecast for Tue Nov 9, 2010