Since most of the action of the war actually happens off the...

Since most of the action of the war actually happens off the page (offstage), I wanted to give the characters something they had to contend with on a daily basis, some sort of obstacle. Weather seemed to be the one great equalizer regardless of your station in life - when it snows, everyone is inconvenienced to a certain degree. Plus it's tactile, weather, it affects the skin.