The Most Intense Lightning Ever Seen Came From Last Year's Tonga Volcano Eruption By Nancy_A
When the Hunga Tonga-Hunga Ha’apai volcano erupted on January 15, 2022, it released a gigantic volcanic plume that rose into the mesosphere, as high as 57 kilometers . It triggered tsunamis as high as 90 meters , and atmospheric waves that made their way around the entire planet two times.
But the eruption also formed its own weather system that created more lightning than any storm yet documented on Earth, including supercells and tropical cyclones. The researchers used visible and infrared observations from two geostationary satellites: GOES-17 and Japan’s Himawari-8. GOES-17 also has a Geostationary Lightning Mapper that uses pixel mapping to obtain the timing, location, flash area, and optical brightness of lightning.
“The eruption lasted much longer than the hour or two initially observed,” Van Eaton said. “The January 15 activity created volcanic plumes for at least 11 hours. It was really only from looking at the lightning data that we were able to pull that out.”
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