Our Chapter 11 Vocab Words
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| a large body of air covering thousands of square kilometers that has a relatively uniform temperature, pressure, and humidity. | show 🗑
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| in meteorology, a region with relatively uniform temp. and humidity over which air masses form. | show 🗑
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| show | warm air mass
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| show | cold air mass
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| a zone of copntact between two disimilar air masses where neither is advancing. it usually results in no change in the weather for several days | show 🗑
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| the advancing surface of a warm air mass as it pushes against and over a cooler air mass. | show 🗑
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| the advancing surface of a cold air mass as it moves under a warm one | show 🗑
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| a line of violent thunderstorms that sometimes accompanies an adancing cold front | show 🗑
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| show | occluded front
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| show | monsoon
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| the horizontal force exerted on a mass of air that has a higher pressure on one side than the other | show 🗑
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| a high altitude wind that is controlled by the relative influence of the pressure gradient force and the Coriolis effect | show 🗑
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| show | cyclone
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| show | anticyclone
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| a highs speed meandering wind current, usually flowing west to east at altitudes of 15 to 25 km. It's speed often exceeds 400 km/hr. | show 🗑
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| show | sea breeze
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| show | land breeze
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| show | valley breeze
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| show | mountain breeze
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| show | trade winds
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| winds blowing consistently from southwest to northeast between 30d and 60d north and south latitudes. | show 🗑
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| show | polar easterlies
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| a permanent low-pressure belt of usually windless air near the equator caused by the vertical rising of air. | show 🗑
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| bands of nearly permanent high pressure at appr. 30d north or south latitude caused by descending cold air. they were named because sailing ships that drifted for weeks in these areas were forced to eliminate their cargos and cattle when water ran short. | show 🗑
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| the prevailing low-pressure belt at approx. 60d north or south latitude. in the northern hemisphere the prevailing westerlies rise above the polar easterlies, lifting air in this zone. | show 🗑
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| an area of high atmospheric pressure at either pole caused by subsiding cool air. | show 🗑
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| a rainstorm that includes lightning and thunder. | show 🗑
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| show | thunderhead
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| an electrical discharge that occurs either between clouds or between a cloud and the ground. | show 🗑
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| show | stepped leader
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| a lightning discharge from the ground up to a cloud along the ionized path taken by the original strike from the cloud to the ground. | show 🗑
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| show | forked lightning
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| show | tornado
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| in the atlantic and eastern pacific oceans, a strong, large area cyclonic storm with winds speed exceeding 117 km/hr. also called a typhoon or cyclone in other parts of the world. | show 🗑
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| show | typhoon
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| (refer to hurricane) | show 🗑
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| the circular center of low-pressure in a hurricane that is characterized by few clouds, relative calm, and vertical air movement. | show 🗑
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| show | storm swell
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| a large increase in sea level along the shore and in front of and below a hurricane as high winds pile water up against the land, often causing catastrophic flooding and erosion. the difference between the the measured sea level & the tide caused the... | show 🗑
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| a metal rod attached to the highest point of a building that prevents damage to the building from a lightning strike by conducting the electrical charge through cables to the ground. | show 🗑
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Or sort by any of the columns using the down arrow next to any column heading.
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