Science / Weather / Tropical Disturbance: An area of organized convection, originating in the tropics and occasionally the subtropics, that maintains its identity for 24 hours or more. It is often the first developmental stage of any subsequent tropical depression, tropical storm, or hurricane.
Disturbance Noun Synonyms: commotion, disorder, upset, outburst, tumult, turmoil, turbulence, violence, hubbub, hullabaloo, hurly-burly, uproar, brouhaha, rumpus, brawl, mele, breach of the peace, Donnybrook, fray, affray, fracas, trouble, ruckus
Disturbance Verb Synonyms: disruption, disorder, disorganization, disarrangement, disarray, upheaval, interruption, upset, intrusion, interference
Science / Marine Biology / Disturbance: A rapid change in an environment that greatly alters a previously persistent biological community MORE
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
Science / Weather / Intertropical Convergence Zone (ITCZ): An area where the Northern and Southern Hemispheric trade winds converge, usually located between 10 degrees North and South of the equator. It is a broad area of low pressure where both the Coriolis MORE
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
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