Meanings
arkstorm1
plural arkstorms · alternative ark storm · alternative ARkStorm
- climatologyA very severe rainstorm lasting for many days, fed by an atmospheric river, causing massive flooding.
ARkStorm2
Origin
From ARkStorm, from atmospheric river (“AR”) + thousand (“1000, k”) (1-in-1000 years) + storm. From starting as a disaster planning scenario for a once in a thousand year storm event rainstorm fed by a Pineapple Express atmospheric river hitting California and deluging the state, resulting in a seemingly biblical flood, requiring an ark, as the Central Valley turns into an inland sea.
Full word history & related roots →Cite this entry
arkstorm. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/arkstorm
“arkstorm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/arkstorm. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “arkstorm,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/arkstorm.
Source: arkstorm on Wiktionary, CC BY-SA 4.0.