Doppler Radar

This is a very specific image that I found before and wanted to use it don my blog. This is a doppler radar and doppler infrared radar image taken from the Norman, Oklahoma weather department during one of the largest tornados to ever strike a downtown or a metropolitian area. You can look and see the bottom of the image has a small circle. That is the F5 tornado that is moving into the city.
http://www.tapestryinstitute.org/tornado/doppler.html