storms and weather predictions Flashcards

1
Q

air mass

A

a huge body of air in the troposphere with similar temperature and humidity thruought

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2
Q

front

A

a boundaries where 2 air masses bump against each other

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3
Q

orographic lifting

A

when mountains push clouds up in the air verry high.

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4
Q

frontal wedging

A

when the colder air forces warm air to rise and forms a cold front and a wedge shape formation. wish we cant see (obviously)

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5
Q

storms

A

severe disturbances in the atmosphere.

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6
Q

lightening

A

an electrical discharge either between clouds or between a cloud and the ground.

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7
Q

tornado

A

a narrow rapidly spinning mass of air extending downward from a cumulonimbus cloud

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8
Q

enhanced fujita-pearson

A

scale to measure tornados.

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9
Q

Allen D. pearson

A

established the Fajita scale

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10
Q

hurricanes

A

largest storms, giant cyclonic windstorms that form over tropical or subtropical oceans.

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11
Q

tropical storm

A

a cyclonic storm with windspeads that reach 39 mi./hr or more. It is then assighned a name.

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12
Q

saffir Simpson scale

A

scale to rate hurricanes

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13
Q

storm surge

A

higher than normal water level ussually associated with hurricanes.

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