Tornadoes
Published on Nov 21, 2015
No Description
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PRESENTATION OUTLINE
Causes:
Tornado conditions are caused when different temperatures and humidity meet to form thunderclouds. When this occurs, the cold air on top begins to sink, sending the rising warm wind spinning upward. The warm winds rotate faster and faster in a high column. When the updraft is strong, the column can rise to heights of 10 miles or more, twisting at speeds of up to 100 miles an hour.
Photo by Backdoor Survival
A funnel cloud (generally the cause of a twister or tornado) is a funnel-shaped cloud of condensed water droplets, associated with a rotating column of wind and extending from the base of a cloud (
Photo by markkilner
A wall cloud (or pedestal cloud) is a large, localized and persistent lowering cloud formation that develops beneath the base of a cumulonimbus cloud that often forms tornadoes
Photo by State Farm
EF-1
86-110mph
Photo by markkilner
EF-2
111-135mph
Photo by Stuck in Customs
EF-3
136-165mph
Photo by bolandrotor
EF-4
166-200mph
Photo by minnepixel
EF-5
Over 200mph
Photo by davedehetre
Tornado alley is called that because it is an area in the United States where a vast majority of tornados will occur. This area includes parts of Texas, Oklahoma, Kansas and Nebraska.
Photo by Backdoor Survival
Enviromental effect
Destroys land
Environmental effect
Destroying buildings
Photo by dcysurfer / Dave Young
Environmental effect
Kills animals
Photo by xJason.Rogersx
THE TRI-STATE TORNADO
Photo by _eurotrash
