there. >> it's wiped out. >> the severe weather threat continues for some at this hour so let's check in with derek, who is following these developments. this is serious stuff. >> it really is. the national weather service earlier on thursday night here in the united states, they declared this as a particularly dangerous situation. severe weather still ongoing for some but it is improving for many. this is, in fact, what is called a wedge tornado. hope i will you can get those videos up in just a second. you can see it on your screen. that is a very large tornado. now it's the national weather service's job to determine whether this was an ef 4 or 5