NOUS41 KWBC 071907



Service Change Notice 16-45

National Weather Service Headquarters Washington DC

307 PM EDT Fri Oct 7 2016


To:      Subscribers:

         -NOAA Weather Wire Service

         -Emergency Managers Weather Information Network


         Other NWS partners and NWS employees


From:    Timothy Oram

         Acting Chief, Marine, Tropical, and Tsunami Services


SUBJECT: Combination of National Tsunami Warning Center (NTWC)

         and Pacific Tsunami Warning Center (PTWC) Products

         on Single Website effective On November 07, 2016


On November 07, 2016, the NTWC website will complete a major

update allowing it to make both NTWC and PTWC tsunami products

(text and graphics) available. The NTWC website will assume the URL, and upon completion of testing and

verification, the current version of the website

will be discontinued.


The current NTWC and PTWC website URLs are


The content of the NTWC website will be fully transitioned to

the new site by the effective date of this notification. The

content of the PTWC website will also be transitioned by that

time, but the original site will remain online until it is

determined the new site accurately provides the content of the

original site. This parallel operations period is expected to

last about 6 months.    


For more information, please contact:


  Michael Angove

  NOAA/NWS Tsunami Program Lead

  phone: 301-427-9375



National Service Change Notices are online at: