Clouds

Question 1

A puffy, fair weather cloud with a flat bottom

Answer 1

cumulus cloud

Question 2

A flat, low-lying cloud that covers the sky like a blanket; can produce rain or snow

Answer 2

stratus cloud

Question 3

Wispy feathery cloud composed of ice crystals that has the highest altitude of any cloud in the sky

Answer 3

cirrus clouds

Question 4

Towering, tall mountain-like clouds with gray bottoms that can bring heavy rain and lightning

Answer 4

cumulonimbus clouds

Question 5

A prefix or suffix meaning that the cloud is producing rain.

Answer 5

nimbo or nimbus

Question 6

A prefix meaning the cloud is covering the sky in a low layer

Answer 6

strato

Question 7

A prefix meaning the cloud is at a very high altitude

Answer 7

cirro

Question 8

A prefix meaning the cloud is at a mid altitude

Answer 8

alto

Question 9

A stratus cloud that forms when air is cooled to its dew point near the ground

Answer 9

fog

Question 10

A low cloud, predominantly low, with lumpy, rounded masses, often with blue sky between them.

Answer 10

stratocumulus cloud

Question 11

Low, gray stratus clouds that produce rain or snow. These clouds are so thick and dark that they can block sunlight.

Answer 11

nimbostratus cloud

Question 12

A middle cloud, usually white. Often occurs in layers or patches with wavy, rounded masses or rolls.

Answer 12

altostratus cloud

Question 13

A middle cloud, usually gray. Often occurs in layers or patches with wavy, rounded masses or rolls. Generally found between 6,500 and 23,000 ft.

Answer 13

altocumulus cloud

Question 14

A cloud at a high altitude consisting of a series of regularly arranged small clouds resembling ripples.

Answer 14

cirrocumulus cloud

Question 15

A continuous sheet with no features, often has a fibrous look. Very thin; usually the moon or sun is visible through them. It grows from a cirrus by just getting thicker.

Answer 15

cirrostratus cloud

Question 16

These particles serve as surfaces on which water vapor may condense

Answer 16

condensation nuclei

Question 17

Fog that forms as moist air flows upward along an elevated surface

Answer 17

upslope fog

Question 18

Artic sea smoke and steam devils are a form of this type of fog

Answer 18

steam fog

Question 19

A tiny liquid drop of dew that freezes when the air temp. drops below freezing

Answer 19

frozen dew

Question 20

Fog that most often forms as warm rain falls into a cold layer of air or when warm moist air rides up and over cold air.

Answer 20

frontal fog

Question 21

The most common type of fog along the pacific coast of north america

Answer 21

advection fog

Question 22

Light shower of snow that falls intermittently from cumuliform clouds for a short duration

Answer 22

flurries

Question 23

Particles in the atmosphere on which ice crystals may grow

Answer 23

ice nuclei

Question 24

Another name for the ice crystal process of rain formation

Answer 24

bergeron process

Question 25

Injecting a cloud with small particles with the intent to enhance precipitation

Answer 25

seeding

Question 26

What is the largest form of precipitation?

Answer 26

hail

Question 27

Ragged looking clouds that drift rapidly with the wind often beneath a nimbostratus cloud

Answer 27

scud

Question 28

Lumpy ice particles that form in a cloud usually by the process of accretion

Answer 28

Graupel

Question 29

What are the two main processes that form precipitation?

Answer 29

collission and coalescence

Question 30

Water molecules that are colder than freezing but not frozen.

Answer 30

Supercooled droplets

Question 31

What is used to seed clouds?

Answer 31

dry ice or silver ioide

Question 32

An observable streak or shaft of precipitation that falls from a cloud but evaporates before reaching the ground.

Answer 32

Virga

Question 33

Lens shaped clouds formed by moist air crossing mountains

Answer 33

lenticular clouds

Question 34

A cap cloud that forms above a cumulonimbus cloud or cumulus congestus cloud because most winds are deflected to the top of the cloud.

Answer 34

pileus clouds

Question 35

Called cow udders, form on underside of cumulonimbus clouds or form in sinking air

Answer 35

mammatus clouds

Question 36

Condensation trails from aircraft that form when water vapor condenses and freezes around small particles (aerosols) that exist in the aircraft exhaust

Answer 36

contrails

Question 37

Cirrus clouds are typically found at elevations of:

Answer 37

20,000 feet and above