Hellmut Koenigshaus, parliament's liaison to the military, wrote that the cadets "did not want to go aloft after the painful loss of their comrade and others did not want to continue on the Gorch Fock", Germany's Bild reported.

BBC: Germany investigates alleged Gorch Fock mutiny

The warmer air aloft acted like a lid on the frigid valley air, leaving it with no place to go.

NPR: Sickening Fog Settles Over Salt Lake City Area