Detailed text transcripts for TV channel - MSNBC - 20110430:15:54:00
So what is the reason behind all the devastating tornados the past few weeks? with some answers, i'm joined by reese halter from cal lutheran university, the author of "wild weather, the truth about global warming." let's talk about this ef-5 that hit tuscaloosa. what's behind that? >> alex, good morning. what's happening is above average temperatures of the gulf of mexico are infusing immense amounts of heat and moisture. it is colliding with air from the southwest, meeting the pacific midwest cooler air. mid latitude jet stream is hammering it, and we believe a warm arctic ocean is infusing ...