A tornado is a violent, dangerous, rotating column of air that is in contact with both the surface of the earth and a cumulonimbus cloud.They can also, in rare occasions, be cumulus clouds. Tornadoes are formed when two air masses meet together. Some tornadoes can be formed with other weather. Such as hail. Tornadoes are also one of the most destructive tragic disasters.
There are six types of tornado ratings:
F0: 40-72 mph
F1: 73-112 mph
F2: 113-157 mph
F3: 158-206 mph
F4: 207-260 mph
F5: 261-318 mph
F6: 319-379 mph
F0 is the smallest and least destructive. F6 is the largest and most destructive.
Tornadoes normally rotate cyclonically in direction. Which would be, counterclockwise in the northern hemisphere and clockwise in the southern.
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