this is being looking to the northwest at about 72nd and center. i guess it's right about there. this is the old bluecross-blue shield building. you need to take cover just as though this were a tornado heading to your city. it's that big of a deal. i know it's a severe thunderstorm warning but this is the most big severe thunderstorm i have seen, the biggest severe storm i have seen moving into a city in a very long time, wolf. >> so how potentially dangerous is this, especially for the folks on the highway there in their cars? because it's getting darker, darker and more ominous. what is that? light le lightning? >> that's lightning in the sky. we would expect to see lightning flashes. this storm is not really going to put down a tornado but the damage will be much more widespread. these baseball-size hailstones will go through the roof of your car.