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Meteorology Flashcards

(56 cards)

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1
Q

The troposphere

A

The lowest densest part

Clouds and storms occur

As you rise through the troposphere temperature decreases

Bottom

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2
Q

The stratosphere

A

Very dry above troposphere

Temperatures increase bc of the ozone

Gas Osborne ultraviolet radiation

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3
Q

The mesosphere

A

Very clean
No water vapor
Temperature decreases
Above ozone and stratosphere

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4
Q

The thermosphere

A

Highest layer

Meteors disintegrate

Air pressure and water vapor decrease

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5
Q

Ultraviolet radiation is absorbed from the

A

Ozone

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6
Q

What did volcanoes release into the earth

A

Water vapor
carbon dioxide
Nitrogen

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7
Q

When was the ozone formed

A

When oxygen was available

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8
Q

What are greenhouse gases

A

Carbon dioxide
Methane
Water vapor

They trap heat close to the surface

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9
Q

Weather and climate

A

Climate is more predictable than weather

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10
Q

Solid moisture

A 
Ice
Snow
Hail
Sleet
Frost
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11
Q

Liquid moisture is

A

Rain
Dew
Fog
Water droplets

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12
Q

Gaseous moisture is

A

Water vapor

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13
Q

What does water vapor cause

A

Humidity

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14
Q

What are clouds made of

A

Ice crystals and water droplets

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15
Q

What is transpiration

A

How plants release moisture into the air

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16
Q

Water cycle

A

Movement of moisture between the atmosphere, lithosphere and hydrosphere

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17
Q

Air pressure is caused by

A

The weight of the air pushing down

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18
Q

What does air pressure do when altitude increases

A

Decrease

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19
Q

High pressure

A

Good nice dry clear weather

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20
Q

Low pressure

A

Warm moist cloudy unstable weather

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21
Q

What is a barometer

A

What air pressure is measured with

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22
Q

What is a horizontal air movement

A

Wind

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23
Q

Anemometer

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A

Measures wind speed

24
Q

What is atmospheric temperature caused by

Study These Flashcards
A

The absorption of heat from earth and from the sun

25
Weather conditions change due to
The movement of air masses
26
Air mass forms when
A body of air remains nearly stationary over a large section of earths surface
27
If an air mass forms Over water it will
Be moist and low pressure
28
If an air mass forms over land
It will be dry with high pressure
29
Continental tropical
Hot land cT Hot dry air
30
Continental polor
cP Cold land Cold dry air
31
Maritime polor
mP Cool ocean Cool moist air
32
Maritime tropical
mT Warm ocean Warm moist air
33
Prevailing winds and upper air currents
Determine the movement of air masses
34
Fronts
Boundaries between air masses
35
Cold fronts
Leading edge of cooler air
36
Warm fronts
The leading edge of warmer air
37
Precipitation is likely to occur at front boundary’s when
Warm moist air rises above the cooler air
38
What happens when a front passes
There is a change in the weather | It causes cloud formation, winds, precipitation, and air pressure and temperature changes
39
Thermometer
Measures air temperature
40
Barometer
Air pressure
41
Psychrometer
Humidity, dew point
42
Anemometer
Wind speed
43
Wind vane
Wind direction
44
Rain gauge
Amount of precipitation
45
What is weather monitored by
Weather balloons that send data to weather stations
46
Doppler radar
Detects | Tornados
47
Radar
Gives information about the intensity and speed of approaching storms
48
Satellite photographs
Show cloud cover
49
Computers
Collect and store large amounts of data and compare present weather data to past
50
Tornados
Rapidly rotating extreme low pressure storms. Extends down from a thunderstorm cloud. Made when cold air meets warm air. Hazardous winds with flying debris People should seek low shelter or go under a sturdy structure
51
Thunderstorms
Form along a cold front Lightning and heavy rain Strong wind hail deadly lightning and the danger of flash floods People should shelter indoors stay off electronics and stay away from flood areas
52
Ice storms/ blizzards
Heavy snow and winds Can disrupt electric and phone services Rainfall might freeze danger to frostbite and hypothermia Stay indoors don’t drive have heat and food and water and medical supplies available
53
Hurricanes
Low pressure systems Form over warm tropical oceans winds are greater than 74 mph High winds high waves flooding from rain Have food water and all necessary supplies and stay indoors go to emergency shelter if in a flood prone zone
54
Cold front
Mass of cold dense air moves in. Warmer air is pushed up (less dense) and forming precipitation At the boundary heavy storms occur Clouds at the front are cumulonimbus Cool and clear skies come after When occurring: heavy storms occur Temperatures drop Barometric pressure drops
55
Warm front
Mass of warm air moves in warm air moves above (less dense) moisture in warm air produces cloud covered skies Weather that occurs at the bouncy is hours of rain or snow Cirrus and stratus are formed at the front After you will find warm weather Front occurring: steady rain occurs Temperature increases Barometric pressure drops
56
Stationary front
Occurs when air masses meet and stop moving the air moves sideways whatever front advances first decides which it will be Cirrus and stratus occur at the front Weather you will find after is either a warm front of a cold front

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