towering cu lighting up ON THE INSIDE with flash after flash after flash
Me too, Mary. I was a passenger on an evening flight from Saigon to Hong Kong. After coasting-out east of Saigon, we turned north and flew near the coast as far as Da Nang ( about 300 nm ). All the way, over the mountains, there was a continuous series of interlocking Cbs, that were all lighting up like giant light bulbs. I estimated the tops were well over 50,000'