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Chapter 20 Earth Science

Earth Science
Across
a storm produced by a cumulonimbus cloud and always accompanied by lightning and thunder; it is of relatively short duration and usually accompanied by strong wind gusts, heavy rain, and sometimes hail
Occlude means to obstruct, as with an opening. You hear this a lot in a medical context. Heart surgeons are looking for occlusions in blood vessels — things that occlude the flow of blood.
a tropical cyclonic storm having winds in excess of 119 kilometers per hour
form at high latitudes, near Earth's poles, and are cold
a large quantity, amount, or number. a mass of material.
the boundary between two adjoining air masses having contrasting characteristics
form over land and are likely to be dry
form over water and are humid
the doughnut-shaped area of intense cumulonimbus development and very strong winds that surrounds the eye of a hurricane
a front along which a cold air mass thrusts beneath a warmer air mass
the abnormal rise of the sea along shore as a result of strong winds
Down
a small, very intense cyclonic storm with exceedingly high winds, most often produced along cold fronts in conjunction with severe thunderstorms
a front formed when a cold front overtakes a warm front; it marks the beginning of the end of a middle-latitude cyclone.
form at low latitudes, near Earth's equator, and are warm
a large body of air that is characterized by similar temperatures and amounts of moisture at any given altitude
a situation in which the surface position of a front does not move; the flow on either side of such a boundary is nearly parallel to the position of the front.
not moving or not intended to be moved.
cloud forming a towering mass with a flat base at fairly low altitude and often a flat top, as in thunderstorms.
a front along which a warm air mass overrides a retreating mass of cooler air
a zone of scattered clouds and calm averaging about 20 kilometers in diameter at the center of a hurricane.
a sudden powerful forward or upward movement, especially by a crowd or by a natural force such as the waves or tide