Caver finds mysterious tornado scar
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earliest observed tornadoPhys Org
•Man scouring Google Earth found a mysterious scar in the Australian outback. Now we know what caused it
86% Informative
An enormous, mysterious scar was found on the Nullarbor Plain in southern Australia .
The scar is 11 kilometers long and between 160 and 250 meters wide.
It bears striking patterns called "cycloidal marks," formed by tornado suction vortexes.
This suggests the tornado was no ordinary storm but in the strong F2 or F3 category, spinning with destructive winds of over 200 kilometers an hour .
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