weather Flashcards

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1
Q

Humidity

A

Humidity is the amount of water vapor present in the air.

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2
Q

Cumulus Cloud

A

are clouds which have flat bases and are often described as “puffy”, “cotton-like” or “fluffy” in appearance.

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3
Q

Stratus Cloud

A

low-level clouds characterized by horizontal layering with a uniform base, as opposed to convective or cumuliform clouds that are formed by rising thermals.

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4
Q

Cirrus Cloud

A

genus of atmospheric cloud generally characterized by thin, wispy strands,

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5
Q

Cumulonimbus Cloud

A

, is a dense, towering vertical cloud associated with thunderstorms and atmospheric instability, forming from water vapor carried by powerful upward air currents.

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6
Q

Condensation

A

water that collects as droplets on a cold surface when humid air is in contact with it.

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7
Q

Evaporation

A

the process of turning from liquid into vapor.

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8
Q

Precipitation

A

the action or process of precipitating a substance from a solution.

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9
Q

Runoff

A

a further competition, election, race, etc., after a tie or inconclusive result.

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10
Q

Rain

A

Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then becomes heavy enough to fall under gravity.

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11
Q

Sleet

A

sleet forms when rain freezes

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12
Q

Snow

A

frozen water vapor

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13
Q

hail

A

frozen specks of water

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14
Q

Polar – Maritime Airmass

A

a large body of air where temputure and mositure content are constant throughout

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15
Q

Tropical – Maritime Airmass

A

air mases that form over the northern pacific ocean and more

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16
Q

Polar – Continental Airmass

A

deveolop over warm waters of gulf of mexico

17
Q

Tropical – Continental Airmass

A

forms over deserts of mexico.

18
Q

Cold Front

A

forms where cold air moves under warm air, which is less dense, warm air is less dense than cold air.

19
Q

Warm Front

A

where warm air moves over cold , denser air.

20
Q

Thunderstorm

A

they produce rain, lighting, and thunder.

a usually brief, heavy storm that consitsts of rain, strong winds, lighting, and thuunder

21
Q

lighting

A

an electric discharge discharge that takes place between two oppositly charged surfaces, suc as between a cloud and the ground , between two parts of the same cloud

22
Q

Thunder

A

the sound caused by the rapid expanison of air along an electrical strike

23
Q

Tornado

A

rotataing cloud of air that has very high wing speeds, is visiable as a funnel shaped cloud and touches the ground

24
Q

Hurricane

A

a sereve strom that develops over tropical oceans and whose strong winds of more than 120/km/h spirial in toward the intensely low pressure storm center.

25
Q

Thermometer

A

an instirusment that measures and indicates tempture

26
Q

Anemometer

A

an instrument used to measure wind speed