Extended Strong's Greek Lexicon (Abbott-Smith based)
storm
Usage: λαῖλαψ, -απος, ἡ [in LXX: Job.21:18 27:20 א (סוּפָה) Job.38:1, Jer.25:32 (סַעַר), Wis.5:14, 23, Sir.48:9, 12 * ;] a hurricane, whirlwind: Mrk.4:37, Luk.8:23, 2Pe.2:17.† SYN.: θύελλα, which see, and cf. ἄνεμος (AS)