Public Information Statement
Issued by NWS Sterling, VA

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953
NOUS41 KLWX 051933
PNSLWX
DCZ001-MDZ003>006-011-013-014-016>018-501>508-VAZ025>031-036>040-
050>057-501>508-WVZ050>053-055-501>506-060400-

Public Information Statement
National Weather Service Baltimore MD/Washington DC
333 PM EDT Wed Jul 5 2017

...KLWX 88D Radar Outage July 10-14, 2017 for Upgrade...

The NWS 88D Doppler weather radar located at the National Weather
Service`s Baltimore/Washington Forecast Office in Sterling, VA
will be down for approximately four days beginning around 9am EDT
this Monday, July 10th, 2017, for technicians to install an
important technological upgrade.

During the outage, radar coverage is available from nearby radar
sites including FAA sites for Dulles Airport, Reagan National
Airport, Joint Base Andrews, and Thurgood Marshall BWI
Airport...as well as NWS radars for our forecast offices at Mount
Holly NJ, State College PA, Pittsburgh PA, Charleston WV,
Blacksburg VA, and Wakefield VA, and DOD radar at Dover AFB.

A crew will 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 it will take about 10 months in 2016/2017 to upgrade the
signal processor on all 159 operational WSR-88Ds.

$$

CAS/SMZ



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