Jamieson, Fausset and Brown on Jeremiah 4:11

11. dry wind--the simoom, terrific and destructive, blowing from the southeast across the sandy deserts east of Palestine. Image of the invading Babylonian army (Ho 13:15). Babylon in its turn shall be visited by a similar "destroying wind" (Jr 51:1).

of ... high places--that is, that sweeps over the high places.

daughter--that is, the children of my people.

not to fan--a very different wind from those ordinary winds employed for fanning the grain in the open air.