Because they are moving
Well, the earth rotates so they probably are not moving.
doppler
they can see through clouds but not smoke.
sometimes clouds are a little transparent and you can see them
you will see Cumulonimbus clouds before a tornado which are large, dark, anvil-shaped clouds.
no
Well, the earth rotates so they probably are not moving.
You are not seeing angles. It only looks that way because the clouds just moving about and your human mind makes them into shapes of fluffy dogs, angels, and other things.
I believe the clouds are actually moving due to wind.
doppler
they can see through clouds but not smoke.
sometimes clouds are a little transparent and you can see them
there is a cloud in the sky i see a cloud i'm to the drifting to the clouds clouds clouds
you will see Cumulonimbus clouds before a tornado which are large, dark, anvil-shaped clouds.
Wind and the jet streem
They form from behind the moving cold front because the warm air condenses quickly producing clouds, rain, and stormy weather.
it means a storm is moving across and or it is really windy out nothing serious!!