Billowing
(of smoke, cloud, or steam) moving or flowing outward with an wave motion.
Lumbered
move in a slow, heavy, awkward way.
Scouring
clean or brighten the surface of (something) by rubbing it hard
Churned
(with reference to liquid) move or cause to move about strongly.
Eruptions
a sudden outbreak of something, typically something unwelcome or noisy.
Swelling
becoming greater in intensity, number, amount, or volume.