fronts and severe weather Flashcards

(37 cards)

1
Q

atmosphere

A

a thin layer of gases surrounding Earth, gases around the Earth.

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2
Q

atmosphere

Gases in atmosphere =

A

78% Nitrogen, 21% oxygen, 1% others

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3
Q

Water vapor =

A

H20in gases form

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4
Q

layer of atmosphere closest to Earth =

A

Troposphere

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5
Q

Ozone =

A

area of the stratosphere with a high concentration, ozone protects us from ultraviolet.

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6
Q

Auroa =

A

northern lights are caused

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7
Q

radiation =

A

the transfers of energy by electromagnetic waves

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8
Q

Greenhouse effects =

A

the trapping of the sun’s warmth in planet’s lower atm. to visible radiation

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9
Q

conduction =

A

the transfer of energy by collisions between particles of matters

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10
Q

convection =

A

transfers thermal energy by the movements of matter from one place to another.

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11
Q

Wind =

A

movement of air to high to low pressure

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12
Q

Coriolis effect =

A

an effect whereby a mass moving in rotating system experience acting perpendicular to direction of motion and to the axis of rotation

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13
Q

jet stream =

A

influences weather as it moves cold air from the poles towards the topic equator and warm air from the tropics towards the pole.

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14
Q

weather =

A

the atmosphere conditions, along with short-term changes, of a certain place at the certain time.

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15
Q

air temp.

A

measure of how hot or cold is, as gas molecules move quickly, air temperature increases.

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16
Q

sea breeze =

A

a breeze blowing towards the sea from the land, especially during at night owing relative warmth of the sea

17
Q

land breeze =

A

a breeze blowing towards the sea from the land , especially during at night owing relative warmth of the sea.

18
Q

pressure =

A

force of perpendicular to the surface of an object per unit area

19
Q

humidity =

A

amount of water vapor in the air

20
Q

clouds/fogs =

A

a visible mass of condensed water vapor floating in the atm. typically high above the ground. fog is consists of visible cloud water droplets suspended in the air or near the earth’s surface.

21
Q

High pressure system =

A

large body of air with high pressure at center + low pressure outside. And it causes rain.

22
Q

low pressure system =

A

mass of warm, moist air generally brings stormy weather with strong winds

23
Q

air masses =

A

a body of air with horizontally uniform temp. humidity and pressure. maritime Arctic, maritime polar, continental arctic, maritime tropical, continental tropical

24
Q

front =

A

boundary separating two masses or air of different densities

25
cold front =
SEARCH FOR THE PICTURE FOR THE TEST
26
stationary front =
SEARCH THE PICTURE FOR THE TEST
27
occluded fronts =
SEARCH THE PICTURE FOR THE TEST
28
thunderstorms =
low pressure systems updraft/downdraft
29
tornado =
thunderstorm updraft begins to rotate
30
hurricane =
over warm water, low pressure system
31
blizzard =
any amt. of snow, high winds to cause whiteouts
32
national weather service =
warning of hazardous weather
33
severe storm watch =
any dangerous meteorological phenomena with the potential to cause effect
34
cold front =
cold air goes to warm air
35
warm front =
warm air to cold air
36
stationary front =
when a front stalls
37
occluded fronts =
fast cold-front catches a slow warm front