Detailed text transcripts for TV channel - MSNBC - 20150522:02:41:00
If if that rear flank down draft isnt super cold it can allow a tornado form especially when you have on the eastern side of that that warm moist air. you see the rotation going on and viola, weve got otherwise a tornado. preceding a tornado, theres another feature we have to talk about. you saw it on the video that we just showed. its a wall cloud. its the base of the thunderstorm beginning to lower, tremendous violent motion. sometimes they whole wall clouds are rotating. sometimes you see the...
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