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 disturbance or an easterly wave which has continued to organize.
Search Google for Tropical Depression:
Depression Verb Synonyms: indentation, dent, dimple, impression, pit, hollow, recess, cavity, concavity, dip
Depression Noun Synonyms: dejection, despair, gloom, downheartedness, sadness, melancholy, discouragement, despondency, gloominess, glumness, the blues, unhappiness, the dumps
MORE
Science / Astrology / Tropical Signs: Cancer and Capricorn; so-called because they occupy parts of the ecliptic where the Sun reaches its farthest point north (Tropic of Cancer) and south (Tropic of Capricorn). The Sun's ingress into thes MORE
Science / Biology / Tropical Rain Forest Biome: The most complex and diverse biome; found near the equator in South America and Africa; characterized by thin soils, heavy rainfall, and little fiuctuation in temperature. MORE
Science / Weather / Tropical Prediction Center (TPC): A division of the National Centers for Environmental Prediction, the Center issues watches, warnings, forecasts, and analyses of hazardous weather conditions in the tropics for both domestic and inter MORE
Science / Tides and Currents / Tropical Month: The average period of the revolution of the Moon around the Earth with respect to the vernal equinox. Its length is approximately 27.32 1,582 days. MORE
Science / Weather / Tropical Storm: A tropical cyclone in which the maximum sustained surface winds are from 39 miles per hour (34 knots) to 73 miles per hour (63 knots). At this point, the system is given a name to identify and track i MORE
Science / Weather / Tropical Wave: Another name for an easterly wave, it is an area of relatively low pressure moving westward through the trade wind easterlies. Generally, it is associated with extensive cloudiness and showers, and ma MORE