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National Service Change and
Technical Implementation Notices


When NWS proposes or finalizes changes to products or services, this page is updated and official notices are sent out on the NOAA Weather Wire Service (NWWS), the Emergency Managers Weather Information Network (EMWIN) and NOAAPort.

Subscribe/Unsubscribe to the joint PNS/SCN list and/or TIN list

Public Information Statements: 2017

PNS: 2016

PNS: 2015


PNS Issued in 2015 or later Updating Earlier Notices

For older PNS, SCNs and TINs go to http://www.nws.noaa.gov/os/notification/list.php

Service Change Notices 2017

SCN: 2016

SCN: 2015

For older TINs, SCNs, and PNSs go to http://www.nws.noaa.gov/os/notification/list.php

Technical Implementation Notices: 2017 (Only updated TINs after 1/1/17)

Technical Implementation Notices: 2016

TIN: 2015

For older TINs, SCNs, and PNSs go to http://www.nws.noaa.gov/os/notification/list.php


NOAA, National Weather Service
Office of Climate, Water, and Weather Services
1325 East West Highway
Silver Spring, MD 20910
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Last Updated: May 22, 2017

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