National Weather Service, Newport, NC
Volume 8, Number1 (#30) February-May, 2001
Tornado Facts
A tornado is a violently rotatingcolumn of air extending from a thunderstorm to the groundThe average forward speed is 30 mph but may vary from nearly stationary to 70 mphThe strongesttornadoes have rotating winds ofmore than 250 mphTornadoes can accompany tropical storms and hurricanes as they move onto landWaterspouts aresimilar to tornadoes and form over warmwater. They canmove onshore and cause damage to coastal areasTornadoes can occur at any time of the yearTornadoes are most likely to occur between 3 PM and 9 PM but can happenat any time
'Tis The Season To Be Thinking About Tornadoes