Appearance: Big, fluffy, white puffs

Weather: Ordinary

Height: 1000-5000 ft.

Appearance: A big, flat, gray cloud that covers the entire sky

Weather: Possibly light rain or mist

Height: 200-4000 ft

Appearance: Big fluffy, puffs, with a gray, flat bottom

Weather: Possibly very light rain

Height: 1000-4000 ft

Appearance: Small, white, puffy clouds

Weather: Ordinary

Height: 6500-20000 ft

Appearance: A big, flat, gray, and thin cloud that covers the entire sky

Weather: Ordinary, but usually becomes a nimbostratus cloud

Height: 6500-20000 ft

Appearance: A big, flat, gray, and thick cloud that covers the entire sky

Weather:  Consistent precipitation

Height: 6500-25000 ft

Appearance: Wispy, feathery, clouds that look like horse tails

Weather: Ordinary

Height: 13000-66000 ft

Appearance: A big, flat, gray, and extremely thin cloud that covers the sky in many thin rows

Weather: A warning for precipitation

Height: 20000-40000 ft

Appearance: Tiny, white, puffy, white clouds

Weather: Ordinary

Height: 16000-39000 ft

Appearance: Giant, towering, gray, and anvil-like 

Weather: Severe hail, thunder,  and/or tornadoes will occur

Height 10000-69000

Appearance: Lens shaped, also UFO-like

Weather: Warning of precipitation

Height: 6500-40000 ft

Appearance: Dark, wedge-like, wall

Weather: Thunderstorms

Height: 200-few thousand ft

Appearance: Large, Tube-like

Weather: Intense thunderstorms and other bad weather

Height: 330-660 ft

Appearance: Gigantic and Tube-like

Weather:  Sudden wind bursts and pressure spikes

Height: 300-600 ft

Appearance: Very wavy patterns on the bottom of other clouds

Weather: Possibly thunderstorms

Height: 4000-10000 ft

Appearance: Wave like patterns

Weather: Fast wind speeds

Height: 16500+ ft 

Appearance: High, rainbow-like clouds

Weather: Ordinary

Height: 68500-100000 ft

Appearance: Glowy and high in the atmosphere

Weather: Ordinary

Height: 249000-279000 ft

Appearance: Rainbow cylinders that form over cumulonimbus clouds

Weather: Heavy rain, hail, strong wind, maybe tornadoes

Height: 20000-30000 ft

Appearance: A funnel shaped cloud that rotates on the bottom of a cumulonimbus cloud

Weather: Severe thunderstorms, if this cloud touches the ground, it becomes a tornado

Height: 1640-4921 ft

Appearance: Like the tip of a flag waving in the wind

Weather: Ordinary

Height 6500-20000 ft

Appearance: Wavy rows

Weather: Ordinary

Height: 6500-15000 ft

Appearance: A line of ice

Weather: Ordinary

Height: 32000-42000

Appearance: A big, dark, mushroom-like cloud

Weather:  Intense heat and radiation

Height: depends how strong the nuclear bomb is

Appearance: A localized, rotating lowering of the cloud base beneath a thunderstorm 

Weather: Heavy precipitation, strong winds, thunderstorms, and possibly tornadoes

Height: 2000-52000 ft

Appearance: A small, smoky, fluffy, cloud

Weather: Lightning and rain

Height: 2000-30000 ft

Appearance: A large, towering, cloud

Weather: Hail, strong winds, tornadoes, and fire whirls (A fire tornado), possibly intense rain

Height: 6500-50000 ft

Appearance: Horseshoe-like

Weather: Ordinary

Height: Varies

Appearance: Low, ragged clouds beneath a cloud that precipitates

Weather: Forms with clouds that produce thunderstorms

Height: 30-300 ft

Appearance: Rows of clouds lined up

Weather: Ordinary

Appearance: Circular holes in clouds

Weather: Ordinary

Appearance: Streaks or wisps hanging from a cloud

Weather: Precipitation that evaporates before reaching the ground

Appearance: Rainbow colors inside of clouds

Weather: Usually associated with cumulonimbus clouds, which can produce heavy hail, tornadoes, and thunderstorms

Appearance: A small cumulus cloud, but a little more flat and stretched out

Weather: Ordinary

Appearance: Medium sized, about as tall as wide

Weather: Ordinary, can also rapidly become a cumulus congestus cloud or cumulonimbus cloud

Appearance: A large cumulus cloud, but a little more tall

Weather: Light rain or showers

Appearance: Similar to a shelf cloud, but does not have a parent cloud

Weather: Heavy precipitaion, strong winds, and thunderstorms

Appearance: Fragmented variants of cumulus clouds

Weather: Ordinary

Appearance: Fairly uniform cloud

Weather: Possibly light rain

Appearance: Lens shaped stratocumulus clouds

Weather: Possibly rain

Appearance: Stratocumulus clouds with strange columns rising out of them

Weather: Strong winds, heavy rain, and thunderstorms

Appearance: Stratocumulus clouds with a wavy bottom

Weather: Possibly light sprinkles

Appearance: Stratocumulus Clouds with spaces in between to open up view of the sky or other clouds

Weather: Possibly light rain

Appearance: Thick layer of stratocumulus clouds that covers the entire sky

Weather: Light rain

Appearance: Parallel rows of stratocumulus clouds that seem to converge

Weather: Can indicate storm is getting worse if seen with cirrus clouds

Appearance: Stratocumulus clouds that leave space in between to open view to the sun and other clouds

Weather: Can indicate storms

Appearance: A fragmented variation of a stratus cloud

Weather: Possibly light rain

Appearance: Plain, uniform, cloud

Weather: Possibly light rain

Appearance: A very subtle, wavy, pattern on the underside of a stratus cloud

Weather: Possibly light rain

Appearance: A stratus cloud so thick that it completely covers up the view of the sun and moon

Weather: Light drizzle or mist

Appearance: A stratus cloud thin enough for the sun's light to shine through

Weather: Light precipitation

Appearance: Parallel rows of stratus clouds

Weather: Light drizzle or mist

Appearance: A cumulonimbus cloud with a round top

Weather: Will become a different cumulonimbus cloud associated with severe weather (1st stage)

Appearance: A cumulonimbus cloud with a hairy top

Weather: Will become a different cumulonimbus cloud associated with severe weather (2nd stage)

Appearance: A cumulonimbus cloud with an anvil-like top

Weather: Severe hail, thunder, and/or tornadoes

Appearance: Pouch-like formations on the bottom of cumulonimbus clouds

Weather: Severe thunderstorms, hail, and heavy rain

Appearance: A sheet of altocumulus clouds

Weather: Ordinary

Appearance: Lens shaped altocumulus cloud

Weather: Ordinary

Appearance: Wavy rows, mid-level

Weather: Possibly light rain

Appearance: Altocumulus clouds with columns rising out

Weather: Thunderstorms and heavy showers

Appearance: Almost like wool or fluff

Weather: Warning for thunderstorms

Appearance: Altocumulus clouds that have spaces in between to open view of the sky or other clouds

Weather: When isolated, ordinary; when grouped with other clouds, thunderstorms may occur

Appearance: A thick, dense, layer of altocumulus clouds, allowing the sun nor moon to be seen through them

Weather: Can produce virga. If warm humid day, can indicate thunderstorms

Appearance: Parallel lines of altocumulus clouds that seem to converge due to perspective

Weather: May indicate thunderstorms

Appearance: Altocumulus clouds that seem to be stacked at slightly different layers

Weather: Possibly light rain; if seen on warm, humid day, may be an indication of a thunderstorm

Appearance: Altocumulus clouds with space in between so the sun or other clouds may be seen through them

Weather: May indicate a storm

Appearance: Altocumulus clouds in a honeycomb pattern

Weather: If warm and humid, may indicate a thunderstorm

Appearance: A wavy pattern on the bottom of altostratus clouds

Weather: Can bring showers, or lower into a stratus cloud and eventually, a nimbostratus cloud

Appearance: A semi-translucent altostratus cloud

Weather: Possibly rain or snow

Appearance: A completely opaque altostratus cloud

Weather: Possibly rain, snow, or thunderstorms

Appearance: Parallel bands or streaks of an altostratus cloud that seem to converge due to perspective

Weather: Possibly rain or snow

Appearance: Altostratus clouds that seem to be at different levels

Weather: Possibly thunderstorms

Appearance: A sheet of cirrocumulus clouds

Weather: Ordinary (With cirrostratus clouds or cirrus clouds, it means it may rain, means rain is clearing up if seen during or right after rain)

Appearance: Lens shaped cirrocumulus clouds

Weather: ordinary

Appearance: Small, wavy rows

Weather: Ordinary

Appearance: Cirrocumulus clouds with strange holes in them

Weather: Ordinary

Appearance: Cirrocumulus clouds with rounded tops, but ragged bottoms

Weather: May indicate thunderstorms

Appearance: Cirrocumulus clouds that seem to be at different layers

Weather: If in medium or large patches with cirrus and cirrostratus clouds, may mean rain. Else, weather is clearing up or will continue to be ordinary

Appearance: Like a horse tail

Weather: Warning for rain (technically produces precipitation, but it evaporates before reaching the ground)

Appearance: Thick and dense cirrus patches

Weather: Possibly a warning for light rain

Appearance: Hair-like cloud

Weather: Possibly a warning for light rain or can indicate ordinary weather

Appearance: Twisted cirrus clouds

Weather: Ordinary

Appearance: Parallel cirrus clouds that look like they all converge to one point (due to perspective)

Weather: Ordinary

Appearance: A cirrus cloud that looks like a fish skeleton

Weather: Ordinary

Appearance: Cirrus clouds that seem to be at different heights

Weather: Ordinary

Appearance: Small rounded turret-like shapes coming from the base of a group of cirrus clouds

Weather: May indicate storms

Appearance: Featureless, translucent, gray slate that causes a ring around the sun

Weather: May indicate mild to moderate rain

Appearance: Thin, wispy, strands that cover most of or the entire sky 

Weather: Ordinary, maybe a very light sprinkle

Appearance: Multiple layers of cirrostratus clouds

Weather:  May indicate rain

Appearance: Cirrostratus clouds that seem to converge

Weather:  May indicate rain