tropical depression

== English == === Noun === tropical depression (plural tropical depressions) (meteorology) An organized low-pressure system of thunderclouds with closed surface circulation and maximum sustained winds of less than 34 knots (63 km) per hour. Coordinate terms: (all stronger) tropical storm; hurricane, typhoon, cyclone (narrow sense), tropical cyclone; cyclone (broad sense), storm ==== Translations ==== ==== Further reading ==== tropical depression on Wikipedia.Wikipedia