NEW visualization of TORNADO SENSOR via @chasinspin for 10Hz GPS track in EF4 tornado from launch south of Lawrence, KS through 30 mile track. NOTE rotational structure below “kink” at ~11,000 feet, then pure tilted vortex aloft! GPS velocities were as high as 180-190 mph during two periods of the flight: below 11,000 feet as the sensor was rotating around the wedge crossing Hwy 59 and also high above Linwood, KS above 35,000 feet, likely within the tilted vortex at peak intensity. What is really striking to us about this high-resolution GPS track is how the tornado exhibits a structure very similar to suction vortices but on a much larger scale, with a kink just above the ground (Fiedler, 2007) and vertical orientation of the vortex to the ground; but tilted, more laminar vortex above t
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