The term "Athapaskan" refers to a large family of languages spoken from Alaska to New Mexico - so there can not be "the Athapaskan word" for anything.
In Gwich'in the word meaning it is stormy or windy is ahtr'eii. In Ahtna it is łteni. In Navajo it is ne-ol.
Kate C. Duncan has written: 'Some warmer tone' -- subject(s): Exhibitions, Athapascan beadwork, Athapascan art, Beadwork 'Bead embroidery of the Northern Athapaskans' -- subject(s): Athapascan art, Beadwork, Indian embroidery
An Athapascan is another term for an Athabascan, a group of peoples inhabiting Alaska, Canada, the Pacific coast of California and Oregon, believed to be part of the second great migration of peoples into the Americas.
Sorm is not a word. You likely are thinking of the word 'storm', which can include rain storm, ice storm, thunderstorm, dust storm, etc.
Storm
Storm
A storm is coming in.
storm = סערה (seˁara)
storm = 'ino [eeno]
Stoirm (storm); doineann (storm, stormy weather);anfa (storm, tempest).
Storm is 'orage' (masc.) in French.
storm= 暴风 (bao4 feng1)
storm = סערה (seh-ah-RAH)