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Tornadoes occurring in these conditions are especially dangerous, since only weather radar observations, or possibly the sound of an approaching tornado, serve as any warning to those in the storm's path. Most significant tornadoes form under the storm's updraft base, which is rain-free, [36] making them visible. [37]
A tornado is a violently rotating column of air in contact with the surface and a cumuliform cloud base. Tornado formation is caused by the stretching and aggregating/merging of environmental and/or storm-induced vorticity that tightens into an intense vortex. There are various ways this may come about and thus various forms and sub-forms of ...
This article's lead section may be too long. Please read the length guidelines and help move details into the article's body. (August 2024) Tornadoes in the United States 1950-2019 A tornado strikes near Anadarko, Oklahoma. This was part of the 1999 Oklahoma tornado outbreak on May 3, 1999. Tornadoes are more common in the United States than in any other country or state. The United States ...
Waterspouts are generally weak and look similar to rope tornadoes, but they can form without the help of a supercell thunderstorm. When the conditions are right, any thunderstorm or strong rain ...
An EF4 tornado with wind speeds ranging from 166 to 200 mph can cause devastating damage. Most to all walls on a well-built house will likely collapse, and high-rise buildings can sustain ...
Ohio tornadoes: Photos of the damage to Logan County from storms Are tornadoes always the same size? The conditions that help them form are the same, but tornadoes come in all shapes and sizes.
The tornado generating storms were often welcomed by colonial settlers in the region since they dissipated extreme heat and humidity during the last days of the dry season. Tornadoes are often embedded in the African squall lines, [30] [31] but they damage crops, and diminish any beneficial effect of its rains.
At least two dozen tornadoes struck Iowa and devastated Minden in April. Here's how tornadoes form, and why it's hard to learn more.