Interesting! Turns out the barometer dropped the day of their summit attempt. Maybe not just the storm, but even lower than usual oxygen levels.
http://www.npr.org/templates/story/story.php?storyId=129036467&sc=fb&cc=fp
Brian
http://www.npr.org/templates/story/story.php?storyId=129036467&sc=fb&cc=fp
Brian