Detailed text transcripts for TV channel - CNN - 20100420:02:06:00
This lower level, even those three miles, we'll still call this lower level ash, will be picked up by the lower level winds and the surface winds. those winds are blowing right towards the u.k. even though other countries are opening air space, so to speak, the air space that they're opening is above 35,000 feet. because the ash that was very high has either blown away or settled out. so the air above 30,000 feet is clean, clean enough for planes to go through. the problem is getting to that 30,000-foot level, because you have to start from the ground, and you can't fly through the dirty layer...