Glad to hear everything worked out. This is a good example of why everyone should have an emergency kit in their car. If you get stuck in whiteout conditions and have to pull over for a few hours, it's nice to have a blanket, food, medical and other provisions while you wait it out.
http://www.getprepared.gc.ca/cnt/rsr...01012-eng.aspx
http://www.aema.alberta.ca/documents...eparedness.pdf