Tropic Currents

Science / Tides and Currents / Tropic Currents: Tidal currents occurring semi-monthly when the effect of the Moon's maximum declination is greatest. At these times the tendency of the Moon to produce a diurnal inequality in the current is at a maximum.

Tropic Speed

Science / Tides and Currents / Tropic Speed: The greater flood or greater ebb speed at the time of tropic currents. MORE

Tropical Air Mass

Science / Weather / Tropical Air Mass: An air mass that forms in the tropics or subtropics over the low latitudes. Maritime tropical air is produced over oceans and is warm and humid, while continental tropical air is formed over arid regi MORE

Tropical Cyclone

Science / Weather / Tropical Cyclone: A warm core low pressure system which develops over tropical, and sometimes subtropical, waters, and has an organized circulation. Depending on sustained surface winds, the system is classified as a t MORE

Tropical Depression

Science / Weather / Tropical Depression: A tropical cyclone in which the maximum sustained surface winds are 38 miles per hour (33 knots) or less. Characteristically having one or more closed isobars, it may form slowly from a tropical distu MORE

Tropical

Science / Marine Biology / Tropical: Being within the latitudinal zone bounded by the two tropics (23ยบ 27' north and south latitude) MORE

Tropic Tides

Science / Tides and Currents / Tropic Tides: Tides occurring semi-monthly when the effect of the Moon's maximum declination is greatest. At these times there is a tendency for an increase in the diurnal range. The tidal datums pertaining to the MORE

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