Time seemed to stop as the storm grew in its black intensity.

The storm had already started and was growing in intensity with each passing minute.

In the hours since the crisis meeting, the storm had grown considerably.

We should leave soon, I thought, before the storm grew worse.

We had to stay the night on the island, for the storm grew more fierce.

The storm grew stronger while it moved toward the northwest.

And the storm was growing more violent by the hour.

Until now he had not observed that the storm was growing steadily worse.

An hour later, all was peaceful again; the storm had not grown to full force.

Outside, the storm grew louder, more demanding of their attention.