P.K. Ewing

Unusually vicious and aggressive sharks attack an oil rig in the middle of the Gulf of Mexico. Dane Quatrell and a team are sent to investigate, but the sharks are still on the prowl and now they have developed a taste for blood.

After a comet passes the Earth it causes a cataclysmic storm. Only a disbanded government unit with a secret weather-manipulating weapon can try to stop it.