that's what the weather conditions that the pilots experienced. and this is the current weather that was reported at that particular time. cumulonimbus clouds 53,000 feet elevations. that is significant. and that also gives an indication of how strong and turbulent these thunderstorms were. but the more moisture we have available, the more thunderstorms build across this region. here's the anatomy of a thunderstorm by the way to give you an indication of what kind of influence this plane feels when it goes through a thunderstorm of this size. what we have in between a thunderstorm is updrafts helping build the thunderstorm. we also have a counteracting that cold downdrafts and we talked about with one of the analysis is wind shear. so that change in wind velocity with height causes all kinds of concerns with airlines and aircraft flying through thunderstorms. that's why we try to divert and vector ourself the around these