vahntitrio

vahntitrio t1_jcnz03g wrote

"High" is going to be a very relative term. It is lower than the old limit but higher than the new limit. The old limits probably had a target of less than 1 in a million chance of causing cancer, the new one is probably no chance of it ever happening.

Considering about 40% of people get cancer in their lifetime, an increase to 40.0001% couldn't really be considered high.

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vahntitrio t1_iubxvxd wrote

Wind shear is needed for tornadoes. That's why peak tornado season is in spring, not the summer.

Another factor is that some areas get so hot and humid these days, when there is ample wind shear storms grow upscale too quickly because of the abundance of energy. Large tornadoes particularly will not happen after storms merge into a line.

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