Only a few small cumulus clouds high in the sky.

There's a certain amount of space under cumulus cloud cover.

Cumulus clouds soon started to develop as the day began to warm.

He aimed for the centre of a cumulus cloud to his front.

On summer days, cumulus clouds are common features of the sky.

By noon they had drawn together into large cumulus clouds.

From his bed he could see the great cumulus clouds that hung in the blue sky.

Now Cumulus clouds can be seen forming rapidly all around.

It is likely to be a type of cumulus cloud, which appear in fair weather.

Small cumulus clouds began to form during the morning.

Cumulus clouds, all at the same height, floated over the sea.

The cumulus clouds come last, bring the main front.

Cumulus clouds were building to the S but then dispersing.

On the horizon, the sun was sinking into a bank of cumulus clouds.

During part of its flight it passed between two towering cumulus clouds.

Cumulus clouds are puffly and small when they first form.

A lack of wind and a few lonely cumulus clouds are good signs, he said.

The sun set, the sky was filled with puffy cumulus clouds.

A perfect row of cumulus clouds marked the line where the water met the sky.

Remember, however, that not all Cumulus clouds develop into thunderstorms.

There was some cumulus cloud development early in the afternoon but this later dispersed.

Like cumulus clouds, they form at low levels and via convection.

If this air gets to the condensation level, a cumulus cloud forms.

Towering cumulus clouds will form as this air flows across the lake.

Over and behind the convergence line, cumulus clouds have formed (3).