Why Lightning Strikes in an Arctic Gone Bizarro

Why Lightning Strikes in an Arctic Gone Bizarro

This weekend, something peculiar visited the Arctic, a mere 300 miles from the north pole: lightning. Peculiar because thunderstorms are typically a warm-weather phenomenon, in which the sun heats air, which rises and condenses into water droplets. At the same time, cooler air pulls downward in the “deep convective cloud,” and all that moving air …