bell? seems the weather patterns this winter are following roughly the same playbook as that year. derekt is that this is a heads-up. this is giving our viewers, especially across the central u.s., as much advance warning as we possibly can. there are very strong signals that this upcoming severe weather season, lasting from now through may, could be very active. and unfortunately could be deadly. because of the frequency of severe weather, tornados, hailstorms, and strong straightline winds that we do anticipate to develop. we have to look at a lot of scenarios to understand why this is happening. we can have great difficulty in predicting a tornado just 15 minutes out. how in the world are we predicting several months in advance? there are the signs, the trends we look for. let's set it up. talking about the severe weather ingredients. what do we need to have severe weather? a collision of air masses. often the very cold, dry air to the north starts to interact with the warm, humid air in the gulf of mexico. this collision drives the jet stream. the jet stream is responsible for funnel