Tennessee Area Radar
Tennessee Area Radar
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Data for the Tennessee Area Radar range is supplied by the National Weather Service and is updated at approximate 5 minute intervals.
The Image In Motion feature displays a time lapse of Radar imagery over the Tennessee Area during the last three hours. The animation sequence consists of twelve images displayed at approximate 15 minute intervals. Some Radar Facts:
NewsChannel 5 Network's Weather Radar data is supplied by the National Weather Service WSR-88D NexRad system composed of a network of about 160 individual Radars. Each of the National Weather Service Radars has a power output of 750 kW in the S band. Each system uses a 28 ft. diameter parabolic dish antenna with a beam width of 0.88 - 0.96 degrees. This is the most powerful and sensitive Weather Radar equipment in common use in the United States today.
Individual Radar outputs from the NWS network are digitized and combined to form a mosaic grid covering the entire USA. As a result of the mosaic nature of the Radar data, the Storm 5 Weather Radar display will no longer be limited to the "sweep" radius of 75 to 150 miles of a single radar site. Many Radars with overlapping sweeps now generate the display. Consequently, we no longer refer to the Radar display as having 75 or 150 mile sweep range. Viewers in the corners of the map who would otherwise not be covered by a circular sweep may now clearly see any activity in their section of the display.
The nature of NexRad Radar is that the antenna uses a very slow azimuth rotation, because it also scans in the elevation mode at the same time. This mode of operation allows collection of many forms of data such as cloud height, precipitation level, and wind direction information. A complete sweep of the antenna occurs about once every five minutes, which limits the refresh rate of our product to that time.
In addition to the use of the National Weather service Radar network, NewsChannel 5 Network also operates our own local "live" doppler Radar system.
For more detailed information on National Weather Service Radar system please refer to:
WSR-88D Radar FAQ's
or
Weatherunderground About Nexrad
Data for the Tennessee Area Radar range is supplied by the National Weather Service and is updated at approximate 5 minute intervals.
The Image In Motion feature displays a time lapse of Radar imagery over the Tennessee Area during the last three hours. The animation sequence consists of twelve images displayed at approximate 15 minute intervals. Some Radar Facts:
NewsChannel 5 Network's Weather Radar data is supplied by the National Weather Service WSR-88D NexRad system composed of a network of about 160 individual Radars. Each of the National Weather Service Radars has a power output of 750 kW in the S band. Each system uses a 28 ft. diameter parabolic dish antenna with a beam width of 0.88 - 0.96 degrees. This is the most powerful and sensitive Weather Radar equipment in common use in the United States today.
Individual Radar outputs from the NWS network are digitized and combined to form a mosaic grid covering the entire USA. As a result of the mosaic nature of the Radar data, the Storm 5 Weather Radar display will no longer be limited to the "sweep" radius of 75 to 150 miles of a single radar site. Many Radars with overlapping sweeps now generate the display. Consequently, we no longer refer to the Radar display as having 75 or 150 mile sweep range. Viewers in the corners of the map who would otherwise not be covered by a circular sweep may now clearly see any activity in their section of the display.
The nature of NexRad Radar is that the antenna uses a very slow azimuth rotation, because it also scans in the elevation mode at the same time. This mode of operation allows collection of many forms of data such as cloud height, precipitation level, and wind direction information. A complete sweep of the antenna occurs about once every five minutes, which limits the refresh rate of our product to that time.
In addition to the use of the National Weather service Radar network, NewsChannel 5 Network also operates our own local "live" doppler Radar system.
For more detailed information on National Weather Service Radar system please refer to:
WSR-88D Radar FAQ's
or
Weatherunderground About Nexrad