n the period leading up to D-Day, Captain James Stagg and his team of Allied meteorologists were responsible for forecasting the English Channel's weather - a forecast which would turn out to be crucial to the outcome of World War 2.
You can find out more information about the role of the Met Office in the D-Day landings here: http://www.metoffice.gov.uk/news/in-depth/d-day-70th-anniversary
You can view some of the Met Office charts from this period, which are stored in the Met Office archives, here: http://www.metoffice.gov.uk/learning/library/archive-hidden-treasures/d-day-operation-overlord