The gain controls on the radars are turned up the the maximum, which is normal when no precipitation is occurring. Those green blobs are ground clutter. This image is a composite of several radars, so there are several blobs of ground clutter.
The NEXRAD sites are clearly visible at Oklahoma City, Tulsa, Springfield, Kansas City, St Louis, Des Moines, etc.
4 posted on 03/20/2008 9:45:30 PM PDT by HAL9000
("If someone who has access to the press says something over and over again, people believe it"- B.C.)