Atlantic Ocean by three inter-connected currents: the Gulf Stream which flows north-east from the North American coast at Cape Hatteras; the North Atlantic Current, a branch of the Gulf Stream which flows northward from the Grand Banks; and the Subpolar Front, an extension of the North Atlantic Current, a wide, vaguely defined region separating the subtropical gyre from the subpolar gyre. This system of currents transport warm water into the North Atlantic, without which temperatures in the North Atlantic and Europe would plunge dramatically. North of the North Atlantic Gyre, the cyclonic North Atlantic Subpolar Gyre plays a key role in climate
Action in the North Atlantic going through hell-and-high-water, as 'Action in the North Atlantic' shows." An American oil tanker, the SS "Northern Star", captained by Capt. Steve Jarvis (Raymond Massey), is sunk in the North Atlantic Ocean by U-37, a German U-boat. Along with the First Officer, his friend Joe Rossi (Humphrey Bogart), they make it to a lifeboat loaded with other crewmen. When the U-Boat crew starts filming their plight, they respond with defiant gestures, and their lifeboat is rammed by the sub. The survivors swim to a raft and are finally rescued after 11 days adrift. During their brief liberty, Steve spends time