• Kyodo


The deadly tornado that ripped through part of the city of Tsukuba, Ibaraki Prefecture, on May 6 was probably created by a supercell, the Meteorological Agency announced Friday.

The towering, highly unstable cumulonimbus cells that passed over Ibaraki are thought to have been formed by a large gap in atmospheric temperatures when moisture-laden warm southerly winds converged on a high-altitude mass of cold air, the agency said.

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