[Lord of Nukes]

Protoss absolutely require Psionic Storm to deal with such a force, and the Terran should make good use of Irradiate, Defense Matrix, and a couple Tanks backed up by stim packed Marines drawing units out of the swarm. However, it seems likely that if well executed, a Zerg could easily exterminate at least a major part of a Terrans base due to their lack of a wide range splash damage spell.