Humor shines in his face like heat lightning in a summer cloud.
"It looks like heat lightning back at home," said an American.
There was an instantaneous glare like heat lightning, and the monster crumpled in on itself, twitched briefly and vanished.
Heat lightning glowed in the west with the luminousness so marked in that region.
In the west the thunder was rumbling and great sheets of heat lightning promised a storm in a short time.
Quick as the heat lightning that flutters on the waters of Winipigoos in the hot summers the cruel club came down.
Daoud saw the flickering glow of heat lightning through the thick leaded-glass window behind the podesta.
The White Pony shied at a flash of heat lightning, and stumbled bunglingly on a rolling stone.
The strange clouds, which had been as white as curds in the afternoon, were now dark blue, lighted by flashes of heat lightning.
Heat lightning is seen in the skies at night after an unusually hot day.