Charles Ellicott Commentary Zechariah 9:14

"And Jehovah shall be seen over them; and his arrow shall go forth as the lightning; and the Lord Jehovah will blow the trumpet, and will go with whirlwinds of the south." — Zechariah 9:14 (ASV)

Shall be seen over them. —Perhaps better, on their behalf He shall manifest Himself.

Of the south. —From where the most violent storms frequently came from over the desert. .