Literally, in order for a vortex to be classified as a tornado, it must be in contact with the ground and the cloud base. Weather scientists haven't found it so simple in practice, however, to classify and define tornadoes (per this essay by Doswell).
Bikini Island, 2015. Credit: Emlyn Hughes. (Phys.org)âA team of researchers from Columbia University in New York has found that all of the Marshall Islands involved in nuclear tests by the U.S. are now habitable, except for Bikini Atoll.
The best-kept secret in the Indian Ocean. The complete antithesis of its glitzy sister island Mauritius, sleepy Rodrigues offers pristine, empty beaches and the chance to immerse yourself in local life, staying at tiny guesthouses and eating tasty Creole cuisine. Paul Richardson reports. Paul Richardson.