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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

Public Information Statements: 2016

Public Information Statements: 2015


2014 PNS Issued in 2015 or later

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

Service Change Notices 2017

Service Change Notices 2016

Service Change Notices 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

Technical Implementation Notices: TINs 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: March 29, 2017

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