Rainfall across the US is increasingly coming from farther away. Strongest trends are happening in the Southwest and the southern Great Plains, where water vapor in some regions now travels about 50 to 80 kilometers (31 to 50 miles) farther and hangs in the air two to four hours longer on average

Rainfall across the US is increasingly coming from farther away. Strongest trends are happening in the Southwest and the southern Great Plains, where water vapor in some regions now travels about 50 to 80 kilometers (31 to 50 miles) farther and hangs in the air two to four hours longer on average