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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 Family of Services, the Emergency Managers Weather Information Network (EMWIN) and NOAAPort.

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Public Information Statements

For older PNS , SCNs and TINs go to

Service Change Notices

For older TINs, SCNs, and PNSs go to

Technical Implementation Notices

For older TINs, SCNs, and PNSs go to

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: November 24, 2015

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