DWIGHT D. EISENHOWER
In the end, everything depended on the weather. On the evening of June 3, 1944—with 150,000 men, nearly 12,000 aircraft and almost 7,000 sea vessels awaiting his command—Supreme Allied Commander General Dwight D. Eisenhower had to measure the reliability of his chief meteorologist.
The Normandy invasion was to have launched on June 5, but now Group Captain J.M. Stagg predicted that a storm would create seas too rough for launching landing craft and thick clouds would prevent the preparatory air bombardment. Reluctantly, Eisenhower decided on a day’s postponement.
The following evening, a Sunday, Eisenhower, his senior commanders, and Stagg’s weather team gathered again at 9:30 in the conference room of Southwick House in Plymouth on England’s southern coast. S...