Meanings of shapeless clouds in English

The wind swirled sadly over the homeless heath; two desolate elms rocked above us in the sky like shapeless clouds of grey.

Then we saw the Scholars who sat around a long table; they were as shapeless clouds huddled at the rise of the great sky.

Manchester had never been more truly Manchester than on this dark July afternoon, with its low shapeless clouds, its darkness, wind, and pelting rain.

In this great solitude-moresolitary than any Alpine range-heand Agnes were floating alone and for ever, between the shapeless earth and the shapeless clouds.