Public Information Statement
Issued by NWS Knoxville/Tri Cities, TN

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NOUS44 KMRX 291047
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NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
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Public Information Statement
National Weather Service Morristown TN
647 AM EDT Sat Jul 29 2017 /547 AM CDT Sat Jul 29 2017/

...KMRX WSR-88D Radar Outage Beginning Today July 29th for Upgrade...

The NWS WSR-88D Doppler weather radar located in Morristown, TN will
be down for up to 5 days beginning this morning Saturday, July 29th
for technicians to install an important system upgrade.

During the outage, radar coverage is available from nearby radar sites,
including the NWS radars for forecast offices in Nashville, TN and
Huntsville, AL.

A team will be on-site to install a new signal processor, which
replaces obsolete technology, improves processing speed and data
quality, provides added functionality, and supports IT security.

This is the first of four major upgrades, known as service life
extension projects, planned in the next five years to replace and
refurbish major components of the 20+ year old WSR-88Ds and to
keep the radars operational into the 2030s. The $150M investment
is being made by the three organizations that use these radars,
the NOAA National Weather Service, United States Air Force and
Federal Aviation Administration. The other service life extension
projects include refurbishing the transmitter, pedestal, and
equipment shelters.

The tri-agency Radar Operations Center, which supports the
radars, estimates that it will take about 10 months in 2016/2017
to upgrade the signal processor on all 159 operational WSR-88Ds.

$$


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