not the exact location of where they'll hit, but the general area of central oklahoma was known days in advance to be the prime threat day there on monday. what happened was big upper air disturbance, cold pocket aloft, up 20,000 feet, 30,000 feet in the air came eat. the gulf of mexico moisture was getting stronger and stronger coming to the south. the meeting up and overlapping of the two kinds of air masses made for the vulnerable conditions that allowed explosive thunderstorms and ones that rotate and produce long-lived destructive tornadoes. >> without getting into the politics of it, we have a different climate, it seems. we had a tornado hit western massachusetts. we've had very strange, in fact, scary weather. unpredictable, out of season. you know, used to be you got snow in the winter and the weather changed gradually until june then it got really hot here in july in washington then even hotter in july, a little less hot in august. there was a predictability of