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This image is in the public domain because it is from one or more of the U.S. government’s 159 NEXRAD radars, which are jointly owned and operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and ...
All of Middle Tennessee could see strong storms however the greatest threat for strong to severe storms will be along and west of Interstate 65. Keep up with the storms progress with the National ...
A winter storm warning is in effect for Knoxville and much of East Tennessee from 7 p.m. EST until 6 a.m. Tuesday.. Th National Weather Service says heavy snow is expected with accumulations of 4 ...
The radar "looks" with the looking angle θ (or so called off-nadir angle). The angle α between x-axis and the line of sight (LOS) is called cone angle, the angle φ between the x-axis and the projection of the line of sight to the (x; y)-plane is called azimuth angle. Cone- and azimuth angle are related by cosα = cosφ ∙ cosε.
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This image is in the public domain because it is from one or more of the U.S. government’s 159 NEXRAD radars, which are jointly owned and operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and ...
Scans at different angles by a weather radar. A weather radar sequentially surveys a series of vertical angles over 360 degrees in azimuth. The reflectivity at each of these angles represents the rate of precipitation along a cone that rises away from the radar. Every angle can be seen on a PPI image. However, this rate varies with altitude and ...
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