When it shall hail
barad (baw-rad')
hail.
coming down
yarad (yaw-rad')
to descend; causatively, to bring down (in all the above applications)
on the forest
ya`ar (yah'-ar)
a copse of bushes; hence, a forest; hence, honey in the comb (as hived in trees) -- (honey-)comb, forest, wood.
and the city
`iyr (eer)
or (in the plural) par {awr}; or ayar (Judges 10:4) {aw-yar'}; a city (a place guarded by waking or a watch) in the widest sense (even of a mere encampment or post) -- Ai (from margin), city, court (from margin), town.
shall be low
shaphel (shaw-fale')
to depress or sink (expec. figuratively, to humiliate, intransitive or transitive)
in a low place
shiphlah (shif-law')
depression -- low place.