It is how they are controlling the weather.
The aerosols being sprayed are "microwaved" by the nexrad radar stations, which depending on the outcome they want it will either rain or stop a storm.
What angers me so much is that this technology has become weaponized. They are creating all the floods destroying the heartland.
This technology could have saved Paradise, Ft. McMurray, towns in Australia and Tasmania.
This technology is how hurricanes can make a 90-180 deg turns or how it can come back and hit a second time.
RE: Portland chemtrails in action.