cloud bank

There's a heavy cloud bank coming up from the south.

Birds called, and the sun came out from behind a bank of clouds.

Being in London at this time of the year was like living inside a cloud bank.

He could see the dark bank of clouds, feel the rising wind.

Another bank of clouds was drifting across from the west.

The sun had set behind the bank of dark clouds to the southwest.

In the west, the sun had vanished behind a bank of low clouds.

Suppose they couldn't find their way out of this cloud bank?

It was exactly like falling out of a cloud bank.

He stood on the edge of a bright cloud bank.