Tropical Wave

Late summer.
Still, stagnant,
a pond surface slick with algae.
Hot air, stale breath.
Down in the depths something stirs
from sleep.
Lethargy levitates,
collides with wind.
A vortex is spawned, wilder
than a drunken dragon.

***

Prompt via napowrimo.net: This is a catch-up post from the prompt for 4/12/17: Write a poem that explicitly incorporates alliteration and assonance.