Az/Ran
This
storm attribute helps to locate a certain cell on the radar's composite
reflectivity product.
Az, which is short for azimuth, tells the direction the cell is from
the radar in degrees. For example, an az, or azimuth, of 180 degrees
means that a particular storm is directly south of the radar site.
Ran tells the distance that a cell is from the radar in nautical miles.
For example, on a 124 nautical mile sweep, a cell with a ran of 62
would appear exactly between the radar site and the perimeter of the
radar sweep.
The "Az/Ran" of each detected storm is plotted on the radar image, if
desired by the radar operator, with the cell identification code just
beneath it, and the projected path of the storm ahead of it.
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WINDOW
Jordan Gerth,
May 2007