It was sufficient to keep the three and all their supplies dry, and Harry watched the storm beat.
Sullen thunder rolled up from the southwest, and the skies were cut down the center by burning strokes of lightning.

The wind whipped the surface of the river into white foamy waves.

But Harry heard and beheld it all with a certain pleasure.

It was good to see the storm seek them, and yet not find them--behind their canvas cover.

He remained close in his place and stared out at the foaming surface of the water.