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Paper: Where are the Most Extraordinary Lightning Megaflashes in the Americas?
Author: Michael Peterson
Most lightning flashes only last 0.2 seconds, meaning if you blink at the wrong moment, you could miss it. However, scientists have developed new lightning-detection instruments, known as Geostationary Lightning Mappers (GLMs), that never miss a flash. The GLMs are aboard the two Geostationary Operational Environmental Satellites (GOES-West and GOES-East), which are in stationary orbits over the Earth’s western hemisphere. With the data from the GLMs, atmospheric scientists have discovered new lightning phenomena called “megaflashes” which can light up the sky for as long as 16 seconds.
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