a lot more symmetrical, a lot more organized. and of course getting up to 53,000 feet. and we saw it literally collapse shortly after this plane disappeared. we know it lost a lot of intensity, perhaps way significant downdraft associated with that too. >> pedram javaheri meteorologist at the cnn weather center. thank you very much. i want to bring back matthew wald, mary schiavo, tim taylor les abend. pilots are trained to navigate severe thunderstorms, correct? >> correct. at this particular time they would have been utilizing a very sophisticated form of radar, on board radar, looking at it would have been color radar, we would have been looking at green, yellow, red being the most intense. we do -- probably had cells that did go up to 50,000 feet. the thunderstorm consists of a lot of cells. especially something as big and as immense an area that that was in. but not every area not every cell would have gone up to 50,000 feet. so it would have been possible