daniel swain in wired: why lightning strikes in an arctic gone bizarro

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Daniel Swain in Wired: Why Lightning Strikes In An Arctic Gone Bizarro

“It’s this stable layer in the atmosphere that acts essentially as a lid on these convective clouds,” says UCLA climate scientist Daniel Swain. One of these convective clouds needs to rise at minimum 15,000 feet if it’s going to produce a thunderstorm, and the tropopause makes that harder to do in the Arctic than at the equator.