The “Winds Code” is a confused military intelligence episode relating to the Attack on Pearl Harbor, especially the advance-knowledge debate. The Winds Code was an instruction from Tokyo to the Japanese embassy in Washington on November 19, 1941. In case of an emergency leading to the interruption of regular communication channels, a coded message would be inserted into the daily Japanese international news broadcast. Concealed within the meteorological reports, and repeated twice, would be either “East wind rain” (“Higashi no kaze ame”), “West wind clear” (“Nishi no kaze hare”) or “North wind cloudy” (“Kitano kaze kumori”), the first indicating an imminent major breach with the United States, the second a break with the British (including the invasion of Thailand), the third a break with