Southern US Reaches Dangerous "Wet Bulb Temperature". Here's What That Means en (iflscience.com)
Multiple southern states and a few midwestern states are at "extreme threat" levels of "wet bulb temperature".
![](http://kbin.fedi.cr/media/cache/resolve/entry_thumb/19/52/195255e0069f0ee7951294f5bae1a68683ede3ba70d6cf04edf0e10f5f238d23.jpg)
Multiple southern states and a few midwestern states are at "extreme threat" levels of "wet bulb temperature".