What was worse, it started a howling sound which echoed across the empty plains.

We heard a howling sound, and a shell from a Panzerfaust burst against its side.

The wind had picked up some; the beginnings of a low howling sound could be heard in the chimney.

This loop happens so quickly that it creates its own frequency, which we hear as a howling sound.

A loud howling sound brought me back into present reality.

How anything in ruins could be called new was beyond me, and I was getting nervous about the howling sound.

And an ugly little howling sound, like a hurt cat.

Nor did he look up when he heard a howling sound behind him.

"Did you hear that dreadful howling sound during your dream?"

They all stopped suddenly, as a great howling sound came from somewhere out on the plain.