A single cloudful can release enough rain to fill the reservoir for a small village.

We set out under a cloudful sky that promised rain by dusk.

In the early morning, cloudfuls gathered over the valley, promising a wet day.

The designer added several label clouds to the dashboard to help users find related topics quickly.

During the storm, several funnel clouds formed over the plains, prompting urgent warnings.

The sky began to cloud over as the storm approached.

The mountains were clouding over as the storm approached, and we hurried back to the cabin.

The sky clouded over just as we were leaving the picnic.

By late afternoon the sky clouds over, forcing us to move the picnic indoors.

The thunder clouds gathered over the horizon, promising a fierce storm by nightfall.