For me, the storm is not the important thing... The Spoilers extended on one wing during take off run scares me (I know that is becaus of the aileron, but pilots should also know that). Is there any procedure which would allow that? So, you have drag, you lost lift on one wing... How could the pilots determine correct VR speed in this configuration? Do the pilots know, how the airplane reacts during lift off in this configuration?
Greetings