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.
There are about 1,200 Americans living on Kwajalein, but they are not alone in the atoll. Less than 2 miles north of Kwajalein Island is Ebeye Island, where some 15,000 Marshallese live. And like all U.S. military installations, the Army wants to have a great relationship with the citizens of the host nation.