copyright the Chronicle July 20, 2016
by Steve Maleski
At any given moment there are roughly 1,800 thunderstorms grumbling and sparking over the surface of the globe. That’s approximately 40,000 per day. Sixteen million per year. They’ve been recorded as far as 80 degrees north latitude over the central Arctic Ocean north of Siberia and Alaska, and as far south as the edges of Antarctica. The vast majority are what most of us would call garden variety — bright, noisy deliverers of a quick watering to lawns, gardens and woodlands in amounts ranging from little more than a gentle sprinkling to a thorough soaking.
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