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A tornado, marked by debris swirl on the ground and connected to a thundercloud, with no condensation funnel. It is commonly and mistakenly thought that if the condensation funnel of a tornado does not reach the ground, then the tornado cannot cause substantial damage. Furthermore, a tornado is sometimes believed to be on the ground only when ...
Meteorologists still do not know the exact mechanisms by which most tornadoes form, and occasional tornadoes still strike without a tornado warning being issued. [142] Analysis of observations including both stationary and mobile (surface and aerial) in-situ and remote sensing (passive and active) instruments generates new ideas and refines ...
Anticyclonic tornadoes can occur as the primary tornado with a mesocyclone and under a rotating wall cloud. Also, anticyclonic supercells (with mesoanticyclone), which usually are storms that split and move to the left of the parent storm motion, though very rarely spawning tornadoes, spawn anticyclonic tornadoes.
Tornadoes can occur anywhere in the U.S., according to the National Weather Service.Tornadoes are “most common in the central plains east of the Rocky Mountains and west of the Appalachians.”
Here's what you can do to prepare: Don’t be caught off guard by the sudden ramp-up of the severe season as we move into spring - be weather-ready. Now is the time to review or develop a severe ...
Strong tornadoes (F2, F3) do occur, but violent tornadoes (F4, F5) are quite rare - return rates for F4 events are a decade or more across the continent, and there has been no officially recorded F5s for the contemporary period in Europe. As in the US, tornadoes are far from evenly distributed.
Some of the most notorious twisters in U.S. history were wedge tornadoes, including the EF5 that leveled Joplin, Missouri, on May 22, 2011, and the El Reno tornado, which was a jaw-dropping 2.6 ...
On July 29, 2013, a cold-core funnel cloud touched down as an EF0 tornado in Ottawa, Ontario, Canada, causing extensive damage in the form of downed trees on a golf course. No advance weather watches or warnings were issued by Environment Canada, and the tornado was spawned from one of the few non-severe storm clouds moving through the area ...