Severe Weather and Floods

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Storm Noun

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[storm]

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Storm

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A violent atmospheric disturbance involving sudden pressure changes, rapid air movements, and often precipitation like rain or snow.

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Example: The image shows a storm with clouds, rain, and arrows indicating air movement.

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Thunderstorm Noun

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[thun-der-storm]

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Thunderstorm

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A localized storm accompanied by heavy precipitation, frequent thunder, and dangerous lightning, formed by rising warm, moist air.

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Example: The image shows a thunderstorm with clouds, rain, and lightning, explaining how warm air rises to form the storm.

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Hurricane Noun

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[hur-i-keyn]

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Hurricane

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A large, rotating storm system with high-speed winds that forms over warm ocean waters and draws energy from them.

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Example: The diagram shows a hurricane's structure, including the eye and rotating winds, explaining how it forms over warm ocean waters.

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Tornado Noun

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[tor-ney-doh]

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Tornado

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An extremely fast-spinning column of air that extends from the base of a thunderstorm down to the Earth's surface.

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Example: A tornado is shown touching down in an open field, illustrating its connection from the thunderstorm to the ground.

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Storm Surge Noun

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[storm surj]

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Storm Surge

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An abnormal rise of water generated by a storm, over and above the predicted astronomical tides, sweeping across the coast.

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Example: The image shows how a storm surge raises water levels above normal tides, impacting coastal areas.

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Flood Noun

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[fluhd]

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Flood

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An overflowing of a large amount of water beyond its normal confines, especially over what is normally dry land.

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Example: Water overflowing onto land, submerging houses, illustrates a flood.

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Drought Noun

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[drowt]

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Drought

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A prolonged period of abnormally low rainfall, leading to a shortage of water that can affect crops and daily life.

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Example: The image shows dry, cracked earth and dead trees, illustrating a drought's impact on the environment.

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Approximate Adjective

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[uh-prok-si-mit]

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Approximate

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A value or quantity that is close to the actual number but is not completely accurate or exact in detail.

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Example: The image explains how to approximate measurements using a ruler by showing centimeters and millimeters.

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Winter Storm Noun

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[win-ter storm]

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Winter Storm

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A storm that occurs in cold weather where precipitation falls as snow, freezing rain, sleet, or a combination thereof.

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Example: Clouds with rain and snow show a winter storm with different precipitation.

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Lake-Effect Snow Noun

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[leyk-uh-fekt snoh]

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Lake-Effect Snow

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Snow produced when a cold air mass moves across a large, warmer lake, picking up heat and moisture.

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Example: Cold air moves over a warm lake, picking up moisture and forming snow.