Doppler radar uses the doppler effect to measure radial velocity and are used in weather tracking, among other uses such as air defense and traffic control. Weather radars measure both intensity and velocity of precipitation using Pulse-Doppler radar. The image is of Tropical Storm Alberto as it made landfall along the Florida coast Taylor County at around 12:30 PM Tuesday, June 13 2006, about 50 miles southeast of Tallahassee, and is a Doppler radar base reflectivity image from the KTLH Doppler radar.
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