then out of town. dana: we re able to show the picture here. that road, that s gonna take a lot of cleaning up to do. reporter: that s major thorough fare that connects anchorage to its midtown areas. and then areas farther south, it goes all the way past anchorage and out. and that s also what we heard from the folks at ted stevens international. that is right by the airport. so international boulevard and minnesota drive kind of intersect there, right next to ted stevens international airport. again, the reporting is that the runways are open, but the road ways getting to the airport an leaving the airport are closed. so they are landing flights. people can t leave the airport one they get there. dana? dana: all right. dan springer, if you ll stand by. mike ando, is the tsunami programming manager. mike, if you could tell us how you make the decision about a tsunami warning.