Strange weather map anomaly near St. Louis today., page
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reply posted on 25-8-2011 @ 11:39 AM by 4nsicphd
reply to post by goochball



If you look at the legend on the radar depiction, you will notice that it is a "base"depiction. Switch to composite depiction and it will disappear. Radar beams are photon propagations in the microwave frequency range. These waves are subject to the lame refraction effects as is light. What you are seeing is most likely a radar "mirage caused by differing densities of air near the surface just like the "puddles" you see that really aren't there on a roadway or in the desert on a hot day.
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