Weather Flashcards

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1
Q

Air pressure

A

The force exerted by air, whether compressed or unconfined,on any surface in contact with it.

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2
Q

Tropical

A

Temperatures vary from day to day but remain fairly constant from month to month. During the rainy season, which lasts an average of six months, rainfall is more or less constant. Central Africa and the part of Eastern Africa that lies south of the Sahara Desert has a mostly tropical climate. Regions near the equator, such as Gabon, Republic of Congo, and the northern third of the Democratic Republic of Congo, have the longest rainy seasons. The remainder of the year is dry.

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3
Q

Celsius

A

the metric temperature scale

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4
Q

Cumulus cloud

A

large, fluffy, white clouds, often seen in fair skies; can develop into cumulonimbus clouds

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5
Q

Cirrus cloud

A

thin, wispy-looking clouds; commonly found at heights greater than 6 km

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6
Q

Thermometer

A

a device used to measure temperature

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7
Q

Tropical depression

A

a region of low pressure with counter-clockwise wind rotation that develops into a hurricane or tropical storm

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8
Q

Ocean current

A

large-scale movement of water within the oceans in a certain direction

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9
Q

Dew point

A

the temperature at which water vapor in the air condenses into water

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10
Q

Hurricane

A

a storm with strong winds and rain that forms over tropical waters

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11
Q

Desert

A

an area that gets little precipitation and has very little vegetation

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12
Q

Typhoon

A

a hurricane or tropical storm originating in the Pacific Ocean

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13
Q

Humidity

A

the measure of how much water vapor is in the air

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14
Q

Forecast

A

to analyze weather data and make an educated guess about weather in the future

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15
Q

Atmosphere

A

layers of gas that surround a planet

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16
Q

Hail

A

small, icy balls that fall from the sky

17
Q

Thunderstorm

A

a weather system that produces heavy precipitation, winds, lightning, and thunder

18
Q

Cloud

A

a collection of water droplets or ice crystals in the atmosphere

19
Q

Precipitation

A

the falling of liquid or frozen water droplets from clouds

20
Q

Drought

A

A shortage of rainfall in a region may cause dry conditions. If the shortage continues for a long time, drought results. Prolonged droughts may have severe consequences on plant, animal, and human populations.

21
Q

Front

A

in weather, the boundary between two masses of air with different properties

22
Q

Meteorology

A

Someone who studys of patterns of weather

23
Q

Freezing point

A

the temperature at which a liquid turns into a solid

24
Q

Tornado

A

a funnel-shaped cloud or column of air that rotates at high speeds and extends downward from a cloud to the ground

25
Q

Cumulonimbus cloud

A

anvil-shaped cloud that is often involved in heavy or violent storms: Cumulonimbus clouds are also called thunderheads. (related words: cumulus, nimbus)

26
Q

Thunder

A

a loud noise that happens when lightning heats the air and causes it to expand and contract quickly

27
Q

Weather

A

the properties of the atmosphere at a given time and location, including temperature, air movement and precipitation

28
Q

Water spout

A

the continual movement of water between the land, ocean, and the air

29
Q

Barometer

A

a tool used to measure air pressure

30
Q

Global warming

A

the slow warming of Earth’s atmosphere due to climatic change

31
Q

Temperature

A

a measure of the average kinetic energy of the atoms in a system, used to express thermal energy in degrees

32
Q

Barometric pressure

A

the pressure (force per unit area) of the atmosphere against a surface

33
Q

Funnel cloud

A

a rotating, funnel-shaped cloud: Funnel clouds do not touch the ground.

34
Q

Climate

A

the average weather conditions in an area