**** The Hadley cell is growing. Its expansion above a larger swath of the American Southwest,****
Nothing new. A drought lasting over twenty five years caused a migration out of Chaco Canyon, Mesa Verde areas long before the evil WHITE MAN invented coal fired power plants and gas powered SUVs.
We had so much rain last winter several days you could drive down to town because there was 1-2 feet of water running over the two roads into town.
That's exactly correct, then the Japanese came.
I heard a scientist say that 1000 years ago there was a 60 year drought in AZ. She said, “I hope I never live to see that.” 1000 years - also before coal and SUV.