ἔξαψις σφοδρὰ μετὰ πολλῆς βίας πίπτουσα ἐπὶ γῆς → a violent flare-up falling on the ground with great force, thunder and lightning
φρένησις: -εως, ἡ, τὸ Λατ. phrenesis, φρενῖτις, Senec. de Ira 1. 13, 3, Juv. 14. 136, Ser. Samm. 7. 90, κλπ.