Tornado Formation: must have vertical wind direction shear, so surface winds may be southerly and a km or so above it they may be northerly; must also have vertical wind speed shear as the wind speed increases rapidly w/ height; causes the air near the surface to rotate about a horizontal axis (vortex tubes: horizontal tubes of spinning air); they also form when a southerly low-level jet exists just above southerly surface winds

Tornado Formation: must have vertical wind direction shear, so surface winds may be southerly and a km or so above it they may be northerly; must also have vertical wind speed shear as the wind speed increases rapidly w/ height; causes the air near the surface to rotate about a horizontal axis (vortex tubes: horizontal tubes of spinning air); they also form when a southerly low-level jet exists just above southerly surface winds

Moore tornado forming      May 20th 2013 Oklahoma EF5 - schools and homes gone

Video: Watch the Moore tornado form

Video-Moore tornado forming May 2013 Oklahoma - schools and homes gone

Tornado Formation by David Lozeau War Army Helicopter Canvas Art Print

Tornado Formation by David Lozeau War Army Helicopter Canvas Art Print

Tornado Formation by David Lozeau War Army Helicopter Canvas Art Print The Vietnam-era pilots fly their helicopters in tornado formation on a scout mission in enemy territory.

Tornado Formation

Tornado Formation

Tornado Powerpoint Template is one of the best PowerPoint templates by EditableTemplates.com. #EditableTemplates #PowerPoint #Dusk #Dark #Natural Phenomenon #Disaster #Damage #Wild #Ben Tre Province #Vietnam #Farm #Natural Disaster #Fields #Cloudscape #Insuland #Stormy #Twister #Altostratus #Wall #Dramatic Sky #Landscapes #Building #Destruction #Cloud #Landscape #Climate #Funnel #Windstorm #Weather #Clouds #Wind #Tornado #Formation #Summer #Insurance #Spout

Tornado Powerpoint Template is one of the best PowerPoint templates by EditableTemplates.com. #EditableTemplates #PowerPoint #Dusk #Dark #Natural Phenomenon #Disaster #Damage #Wild #Ben Tre Province #Vietnam #Farm #Natural Disaster #Fields #Cloudscape #Insuland #Stormy #Twister #Altostratus #Wall #Dramatic Sky #Landscapes #Building #Destruction #Cloud #Landscape #Climate #Funnel #Windstorm #Weather #Clouds #Wind #Tornado #Formation #Summer #Insurance #Spout

I went storm chasing a few years back for tornado formation research this is near Pratt Kansas [1920 X 1080] Need #iPhone #6S #Plus #Wallpaper/ #Background for #IPhone6SPlus? Follow iPhone 6S Plus 3Wallpapers/ #Backgrounds Must to Have http://ift.tt/1SfrOMr

Storm chasing by a tornado formation research team (x/post from r/WeatherPorn)

Houdini Tornado Formation RND

Tornado Formation, Brushing

June 18, 2013 Denver INTL Airport Tornado formation - Really scary video of tornado forming overhead.

June 2013 Denver INTL Airport Tornado formation - Really scary video of tornado forming overhead.

Tornado Formation by David Lozeau War Army Helicopter Canvas Art Print – moodswingsonthenet

Tornado Formation by David Lozeau War Army Helicopter Canvas Art Print

Title: Tornado Formation Artist: David Lozeau The Vietnam-era pilots fly their helicopters in tornado formation on a scout mission in enemy territory.

Welcome to Weather Wiz Kids®. I'm meteorologist Crystal Wicker. I designed this website especially for kids to allow them to learn more about the fascinating world of weather. It’s also a wonderful educational website for teachers and parents to give them the right tools to explain the different types of weather to children.

Why do Tornadoes Turn Counter Clockwise in the Northern Hemisphere by Newton, Ask a Scientist:

Nature's beauty in destruction....  http://themetapicture.com/media/cool-tornado-storm-sky.jpg

Beauty in Destruction

A typically weaker 'spout' tornado over darker soil.

Video: this video features severe weather in the form of tornado formation by National Geographic. (K-ESS3-2)

Video: this video features severe weather in the form of tornado formation by National Geographic.

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