exam Flashcards

(37 cards)

1
Q

which type of precipitation freezes on contact with objects

A

freezing rain/ glaze

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2
Q

a cold front is?

A

fast moving, and associated with heavy rain

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3
Q

what is the “fair weather cloud”

A

cumulus

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4
Q

what is the “mares tale” cloud

A

cirrus

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5
Q

what is the halo could

A

cirrostratus

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6
Q

what is the “mackerel sky” cloud

A

cirrocumulus

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7
Q

what is the “sheep back” cloud

A

altocumulus

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8
Q

what are the thunder storm clouds

A

cumulonimbus

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9
Q

uniform layer with light precipitation

A

nimbostratus

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10
Q

uniform layer no precipitation

A

stratus

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11
Q

in a conditionally stable atmosphere when a parcel is saturated it acts?

A

unstable

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12
Q

is associated with stratus/ninbostratus clouds

A

the warm front

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13
Q

in a stable atmosphere the air is?

A

colder and denser than it’s surroundings

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14
Q

how does a cumulus cloud form

A

convection

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15
Q

in mid lat cyclones, after the cold front has passed

A

a shift to cooler, drier conditions than before with winds likely from the northwest

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16
Q

mid lat cyclones develop at the

17
Q

between the 2 fronts (after the warm front has passed) what weather conditions will we experience

A

clear, with winds from the southwest and warm temps

18
Q

winds circulate - around a low pressure and - around a high pressure

A

counter clockwise, clockwise

19
Q

there is such thing as a low and high front true or false

20
Q

after a cold front has moved through, what weather conditions will you experience

A

clear, with winds from the northwest, and cold temps

21
Q

which direction (in general) does weather move in the us

A

from west to east

22
Q

what types of clouds would you find when a cold front is nearing you

23
Q

when 2 air masses collide it’s called a ?

24
Q

which air moves fastest

25
typically has heavy, short lived precipitation
a cold front
26
a cumulus humils cloud
is formed by convection
27
collision coalescence
by equator
28
which air masses are responsible for most of the rainfall over the eastern 2/3 of the united states?
mT air masses from the gulf of mexico, carribean, atlantic region
29
the area between the cold and warm front in a mature cyclone is called
the warm sector
30
the air mass responsible for the lake effect snow
cP
31
flat, layered clouds
stratus
32
when the ELR is a slower rate than the MALR this causes a - atmosphere
stable
33
a very stable atmospheric condition
an inversion
34
the MALR is - the DALR because -
slower, because the condensation of water vapor above the LCL releases heat energy
35
when an air parcel is warmer than it’s surroundings
it is considered an unstable atmosphere, and buoyancy force will take over causing the parcel to rise, expand and cool
36
vapor pressure is
the part of the atmospheric pressure attributed to water vapor
37
Relative humidity is expected to be owest
in the afternoon