CNN CNNI Simulcast March 1, 2015 10:24:00
People. let's go over to meteorologist karen mcginnis in the weather center. >> typically, when we think alaska, we think of cold temperatures. it is the ash that stymied the air traffic there. let me show you an image, and explain it. first, a look at alaska and the sea. let's put that up if we could. the ash cloud is what has prevented the airlines from flying across this area. in particular from anchorage north because of the ash off the peninsula. there, you can see the brighter blue shaded area. that's where we see the ash. it was up in the atmosphere about 30,000 feet. it was mostly beca...