Photographers consider themselves lucky when they catch a green flash. The sunset emerald ray is so rare, it was once thought to be a fable. Now imagine the odds of catching a triple green flash. James W. Young did it last night while standing on Oregon's Cannon Beach:
"The setting sun produced a green flash which split into three layers," marvels Young. "I photographed them using a 1120mm telephoto lens with a Canon 1Dx Mark II camera."
This is a sign of very strong temperature inversions (warm air above cold) over the Pacific Ocean. Strong inversions produce 'ducts'. Rays from the setting sun get trapped in these ducts, bouncing up and down and traveling long distances in layers sometimes only a few inches thick. A trio of ducts split the green flash into a stack of three. You can actually see the ducts edge-on in Young's picture--a marvel, indeed.
https://spaceweather.com/
This is a sign of very strong temperature inversions (warm air above cold) over the Pacific Ocean. Strong inversions produce 'ducts'. Rays from the setting sun get trapped in these ducts, bouncing up and down and traveling long distances in layers sometimes only a few inches thick. A trio of ducts split the green flash into a stack of three. You can actually see the ducts edge-on in Young's picture--a marvel, indeed.
https://spaceweather.com/
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