וּבָרַ֖ד בְּרֶ֣דֶת הַיָּ֑עַר וּבַשִּׁפְלָ֖ה תִּשְׁפַּ֥ל הָעִֽיר׃
И будет град при падении леса; Но город опустится в долину.
Rashi
for... has gone down For it has been broken. Similar to [this expression] is (Isa. 32:19), “And He shall hail down the breaking of the forest.”