And, how fast do the propagate? Looks pretty fast to me - horizon to
horizon in 5 minutes at 10k ft?


On Oct 11, 9:53 pm, 5Z wrote:
Yet another potential source of lift?

http://science.nasa.gov/headlines/y2...htm?list812469

The question is how long do they last and how far they propagate?
And, of course, how do you catch one?

-Tom