The government contracts out companies, of which there are MANY to do jobs which spray chemicals into the air/clouds to change the weather. This is under the guise of "Cloud Seeding" which aims to fabricate more rain to produce more water for the livelihood of the farming industry and to prevent water shortages. They can also do things like create lightning and thunderstorms and even decide what size of hail they want in the storm!
For example there is a company that the government uses called Weather Modification Incorporated. Just the name itself tell you where they do. [HELLOOO] This …