>> you know when it snows in deep south atlanta, louisiana. >> what happens then? >> it's a snow day, no school. >> cars going every different direction. did you see the fireball? >> i was going to ask you, what was that? it's kind of freaky. >> take a look at the video here. the video is a plane flying through, making a contrail. there's another plane taking off just below there. watch over to the right, another plane is about to streak through the same contrail and the sun is setting. the sun is setting, and as the sun sets, it reflects that light just like that. if you remember, we had this big story two, three weeks ago about some rocket that was launched off the coast of california. same story. it was just the contrail as the sun now begins to set early. people don't expect it. 5:30 in the afternoon. it would have just been an orange cloud had the sun just been setting. >> temperature has nothing to do with it? would it do that in the summer? >> it does, but it happens around 9:30 at night because the