![](http://4.bp.blogspot.com/-rWU3BKAVLM8/Tv3qdpdaKXI/AAAAAAAAKKo/yh4_PAB2uAM/s400/eye-of-tornado-1.jpg)
Tornadoes and hailstorms occurred at a rate of about 20 percent above average during the middle of the week. In contrast, the phenomena occurred at a rate of roughly 20 percent below average on the weekend.The only obvious explanation is pollution, especially from auto exhausts, which is greater during the week.
No comments:
Post a Comment