Science / Weather / Subtropical Jet: Marked by a concentration of isotherms and vertical shear, this jet is the boundary between the subtropical air and the tropical air. It is found approximately between 25?° and 35?° North latitude and usually above an altitude of 40,000 feet. Its position tends to migrate south in the Northern Hemispheric winter and north in the summer.
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Science / Weather / Polar Jet: Marked by a concentration of isotherms and strong vertical shear, this jet is the boundary between the polar air and the subtropical air. It often divides into two branches, the north and the south, a MORE
Science / Weather / Low Level Jet (LLJ): Strong winds that are concentrated in relatively narrow bands in the lower part of the atmosphere. It is often amplified at night. The southerly wind over the US Plains states during spring and summer MORE
Technology / Aviation / Jumbo Jets: the name given to wide-bodied airplanes such as the Boeing 747, 757, McDonald Douglas DC-10, Lockheed L-1011, and the A-300 Airbus, etc. MORE