During fierce engagements, your vision of the battle is obscured by billowing clouds of smoke from gunpowder and cannon fire. (darkstation.com)
Billowing clouds of thick dust and sand frequently blow across the region during the dry... (flipboard.com)
Although the word «avalanche» often brings to mind billowing clouds of snow racing downhill to smother skiers and snowmobilers, another type of snow slump is on the rise: a slow - motion slide of thick, wet snow that despite its languid pace can pummel structures with devastating force. (sciencemag.org)