Ryan McGinnis
EF5
Found this via Tim Marshall (though I don't think he shot it):
http://www.youtube.com/watch?v=AxRT60-kw78&t=0m41s
Strangely beautiful. I assume this is essentially a non-dusty dust devil given that it's over a dark farm field. Perhaps the tarp acted like a mini greenhouse, increasing temperature under the tarp until a bit of wind lifted the tarp, releasing the heat, and forming the dust devil.
http://www.youtube.com/watch?v=AxRT60-kw78&t=0m41s
Strangely beautiful. I assume this is essentially a non-dusty dust devil given that it's over a dark farm field. Perhaps the tarp acted like a mini greenhouse, increasing temperature under the tarp until a bit of wind lifted the tarp, releasing the heat, and forming the dust devil.