Meet the sneaky and surprisingly dangerous squall-line tornado

Meet the sneaky and surprisingly dangerous squall-line tornado

Meteorologist Thea Sandmael watched the storm close in. It was near enough for her to spot a rotating dome of clouds emerging from the storm’s dark underbelly. By the time the spinning mass was 10 minutes away, Sandmael and her colleagues had packed up their radar equipment and left. “Just keep going,” she advised her…