I live in lower latitudes and don't see snow very often. I have never been in a white-out situation, but that last few minutes of this video looked very close to what I would imagine a white-out to be like.

are icebreakers responsible for ice sheet drifts more rather than the climate? surely they must be weakening the structure of the sheets by zig zagging across them all the time.

Talk to Greta Tumtum, she knows how to explain this. And speaking of Greta Tumtum, where will she be?

Made in Tasmania I believe. They tried to use one going to mainland Australia but the sea was too rough for it. It seems to be in its element in this video. Cheers from Tasmania

Ferry companies used to run these in the Irish Sea between Scotland & Ireland in the 1990s. They fell out of favour due to high running costs & the rough seas. Passengers constantly complained of sickness.

SS John W. Brown is a Liberty ship, one of two still operational and one of three preserved as museum ships. As a Liberty ship, she operated as a merchant ship of the United States Merchant Marine during World War II and later was a vocational high school training ship in New York City for many years.