Public Information Statement
Issued by NWS National HQ

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NOUS41 KWBC 201730
PNSWSH

Service Change Notice 24-32
National Weather Service Silver Spring MD
130 PM EST Wed Mar 20 2024

TO:  SUBSCRIBERS:
  -NOAA Weather Wire Service
  -Emergency Managers Weather Information Network
  -NOAAPort
  Other NWS Partners and NWS Employees

FROM:  Ben Kyger
  Director, NCEP Central Operations (NCO)

SUBJECT:  Transition of NOAA Weather Wire Service Open Interface
  (NWWS-OI) to New Infrastructure, Effective April 23, 2024,
  with a 6-hour Test on March 26, 2024

On or about April 23, 2024, at 1400 UTC, the NOAA Weather Wire
Service
Open Interface (NWWS-OI) will be transitioned to a new hardware
platform
on the Integrated Dissemination Program (IDP). In the event of a
Critical
Weather Day (CWD) or an Enhanced Caution Event (ECE), the changes
will
occur after the event expires. Details on critical weather can be
found at
https://www.nco.ncep.noaa.gov/status/cwd/

There are no functional changes to the services provided or top-level
application domain name (nwws-oi.weather.gov). Users who are
specifically
allowing connections on port 5222 to IPs currently associated with
the
domain name will need to make a network update to continue using the
service. After the go-live date, nwws-oi.weather.gov will resolve to
either nwws-oi-bldr.weather.gov or nwws-oi-cprk.weather.gov. If users
need
more information about proper network configuration, please use the
contact below.

Additionally, on March 26, 2024 between the hours of 12Z and 18Z,
NCEP
Central Operations (NCO) will conduct a test of the new system making
one
of the new domains listed above the active NWWS-OI instance. If March
26th
is declared a Critical Weather Day or Enhanced Caution Event, the
backup
date will be April 2nd.

For technical questions regarding this notification, please contact:
Joshua Huber
Onboarding Team Lead
NCEP Central Operations
idp-support@noaa.gov

For Questions about the operational support of NWWS-OI, please
contact:
NCEP Central Operations
Operational Monitoring Branch Tech Control
nco.ops@noaa.gov


General NWWS description and user setup information are online at:
https://www.weather.gov/nwws/

For feedback about the functionality of NWWS-OI, please contact:
NWWS.Help@noaa.gov

National Service Change Notices are online at:

https://www.weather.gov/notification


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