Tornadoes have been recorded on all continents except Antarctica and are most
common in .... Strong and violent tornadoes (F3–F5) do occur, especially in some
of the interior areas and in the ...
Apr 22, 2014 ... The United States averages the most tornadoes of any country in the world
annually. But where else do they occur? Areas shaded in red on the ...
Tornadoes have been documented on every continent except Antarctica.
Tornadoes tend to occur in the middle latitudes in both hemispheres, between 30
° and ...
How do tornadoes form? The truth is that scientists don't fully understand how
tornadoes form. A parent supercell thunderstorm is needed. Beyond that, each ...
Jun 18, 2009 ... How do tornadoes form? Tornadoes form where warm moist air is trapped
underneath a layer of cold, dry air. This instability is upset when the ...
How do tornadoes form? Most tornadoes form from thunderstorms. You need
warm, moist air from the Gulf of Mexico and cool, dry air from Canada. When
Apr 19, 2016 ... Tornadoes are violent storms that kill 80 people each year. Here are some facts
about how they form and how to stay safe. ... Do not seek refuge under an
overpass or bridge. Never try to outrun a tornado. Instead, find a safe ...
Tornadoes can form at any time of year, but most occur in the spring and summer
... Why do so many tornadoes form in this part of south central North America?
May 11, 2015 ... Tornadoes remain deadly and relatively unpredictable, despite recent
advancements in weather science. Here's what scientists do know:.
Apr 23, 2014 ... Tornadoes can occur in Northern South America, South Mexico, ... Andrews said
tornadoes do not happen frequently here, but when they do ...