National Weather Service United States Department of Commerce

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.

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Public Information Statements 2022

Public Information Statements 2021

Public Information Statements 2020

Public Information Statements 2019

For older PNSs, SCNs and TINs, go to

Service Change Notices 2022   

Service Change Notices 2021

Service Change Notices 2020

Updated SCNs Sent in 2020 for Previous Years

Service Change Notices 2019

For older PNSs, SCNs and TINs, see our archive: