as the roll cloud will show clear signs of rotation along the horizontal and vertical axes, like a tornado. Roll clouds along ...
However, it’s still important to know the signs of tornado-friendly conditions. Some things to keep an eye out for: Strong thunderstorms Dark or green-colored sky Large, dark, low-lying clouds ...
Scientists later described an ice-capped cloud that reached 7 miles (11 km) into the air and caused winds up to 143 mph (230 kph). Research also suggests fire tornadoes can carry airborne embers ...