It will sweep onward into Judah. It will overflow and pass through; it will reach even to the neck, and the stretching out of its wings will fill the breadth of your land, Immanuel.
“it will reach even to the neck.” Judah did not drown in the metaphorical waters of Assyria as Israel did, which was destroyed. Although almost all the major cities of Judah were destroyed, Jerusalem was rescued by Yahweh.