See on Jeremiah 25:26.
1, 2. The imagery is of the wind scattering the chaff on the threshingfloor. The wind and the fanners are the Medes (Jeremiah 51:11).
Related Commentaries of Jeremiah 51:1
Jeremiah 51:1
1 Thus saith the LORD; Behold, I will raise up against Babylon, and against them that dwell in the midsta of them that rise up against me, a destroying wind;