DeMundo 148:30 :ܪ̈ܘܚܐ ܕܟܠ ܓܢܣ ܂܂܂ ܒܪ̈ܩܐ ܬܩ̈ܝܦܐ ܂܂܂ ܫ̈ܦܥܐ ܪܘܪ̈ܒܐ‏ : all kinds of winds, strong lightning storms, great torrents
See the entire entry for šp̄aˁ, šep̄ˁā n.m. current, flow