The children of Israel again did that which was evil in the sight of Yahweh, when Ehud was dead.
"Nine hundred chariots of iron"  (Judges 4:3).  Israel had no chariots at all, and such a formidable striking force would normally have made the King of Canaan invincible.  However, "The mustering of the united tribes of Israel against him under Barak coincided with a storm in which the Kishon, normally a dry river-bed, rapidly became a raging torrent in which the chariotry were engulfed."[9]