Assertion: lightning | /r/CapableOf | come in st. elmo's fire(ball lightning
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text: The lightning itself may come in many shapes and forms including St. Elmo's fire(ball lightning), bolt lightning, sheet lightning, or a combination as was the case during the eruption of Mt. St. Helens in 1980 when several people witnessed long lasting shows of sheet lightning which was accompanied by volkswagen sized St. Elmo's fire bouncing and rolling on the ground nearly 25 miles from the volcano.