This awesome simulation by Philip Brohan, one of the scientists behind the Old Weather project, shows a reconstruction of the weather patterns in the northern hemisphere almost one hundred years ago in the winter of 1914/15. You can see the storms rolling off the North American continent and making their was across the Atlantic towards the UK. The foggy areas are regions that did not have sufficient observations.
This reconstruction would not have been possible without the classifications provided by our volunteers on Old Weather. Join them now at www.oldweather.org