CNN CNNI Simulcast April 26, 2014 09:52:00
Specifically rough weather in the u.s. meteorologist ivanka brar ra is at the cnn world weather center. >> we're looking at a busy pattern over the next few days across the united states. in fact, i want to start off with this chart here. this is u.s. tornado averages from '91 to 2010, per month average. you see we really spike up in may and june. but even into april we get plenty of activity. so far, not much because one of the ingredients that we need for set veer weather to come together has been missing. that is, the warm air. the united states has been under the influence of very cold air...