By the time the clouds had spread far enough to reach the outer walls of Caemlyn.

The clouds running before the sun were spreading across the pink of the sky.

In less than a week the innnitesimally thin cloud should spread to a million miles.

When a cloud of white smoke issued forth and spread itself against the door, their grins increased.

"A toxic cloud would have formed and spread through the tunnels under the center of Rome," the paper reported today.

But the clouds spread thickly into the room, obscuring his view.

As your friend Shaun Wallace said, the cloud is spreading.

The sun seemed to be darkened, or else the eastern clouds were spreading.

During the day much more broken cloud has spread across and was responsible for the sunshine and showers.

Thin clouds spread across the sky, turning it almost white.