Jet Max (or Speed Max, Jet Streak) - a point or area of relative maximum wind speeds within a jet stream

Jet Streak - a local wind speed maximum within a jet stream

Jet Stream - relatively strong winds concentrated within a narrow current in the atmosphere, normally referring to horizontal, high-altitude winds

Joule - the derived unit of energy or work equal to 1 Newton-meter. Named for James Prescott Joule (1818-1889), a British physicist who studied heat.