The weather control devices were set up on Sogell Island to attempt to alter weather patterns. On their first test, in an attempt to cool the island, something went wrong. The Radioactivity Sonde blew up, causing the island to heat up and mutate the native giant mantis into Kamacuras because of the radiation. The device also caused massive storms, revealing Minilla's egg.
The device was used again during the fight between Godzilla and Kumonga. It worked successfully, and jets of gas were released from the towers which caused temperatures to drop and a snowstorm to begin forming.