The 4-day training will cover the explanation and use of the newly-inaugurated South China Sea Tsunami Advisory Center (SCSTAC) Products, the Japan Meteorological Agency's Northwest Pacific Tsunami Advisory Center (JMA NWPTAC) New Enhanced Products, and the Pacific Tsunami Warning Center (PTWC) Enhanced Products by National Tsunami Warning Centers and Emergency Response Agencies. Topics will cover the end-to-end warning process, warning center and emergency response operational challenges, community preparedness, advanced topics in tsunami warning center operations, and the methodology, use, interpretation, and limitations of the SCSTAC, NWPTAC, and PTWC Products. Over the last 15+ years, with improvements in data quality, quantity, and real-time availability, TWC response times have dropped significantly from nearly an hour to 5-10 minutes for tsunami events. At the same time, each great earthquake and tsunami since the 26 December 2004 Indian Ocean tsunami has increased our scientific understanding, and better techniques with faster computing platforms are enabling us to quickly and reliably characterize the earthquake and then numerically model the tsunami. This has led to significant improvements in a warning center’s ability to accurately forecast coastal wave height and impact, and an ability to provide timely advice to support tsunami warning decision-making. At the ICG/PTWS-XXV (September 2013), Member States approved the start of the PTWC Enhanced Products on 1 October 2014. These products were the first large-scale modifications in decades, whereupon the PTWC ceased issuing Warnings and Watches, and now issues only informational tsunami wave forecasts. Public text products continue, but the additional graphical and statistical enhanced products are only sent to authorized Tsunami Warning Focal Points (TWFP). At the ICG/PTWS-XXVI (April 2015), Member States agreed that following the PTWC implementation, the NWPTAC should proceed with the development of its enhanced products. The NWPTAC enhanced products consist of an initial text message using information from a pre-established tsunami database, and are followed by text and graphical messages that include results from real-time simulations, and sent solely to NWPTAC TWFP. With IOC Circular Letter 2702 (13 December 2017), the JMA NWPTAC commenced issuance of its NWPTAC Enhanced Products in experimental mode on 20 December 2017, in parallel with its existing products. At the ICG/PTWS-XXII (March 2017), Member States agreed to form a Task Team on the Establishment of a South China Sea Tsunami Advisory Center and accepted the offer of the Government of China to host the SCSTAC at the National Marine Environmental Forecasting Center (NMEFC). Through IOC Circular Letter 2706 (5 January 2018), the China’s SCSTAC commenced trial issuance of its SCSTAC Products on 26 January 2018. The training is being organized by the International Tsunami Information Center (ITIC) in collaboration with the IOC, the SCSTAC and the Northwest Pacific Tsunami Advisory Center (NWPTAC). The training is hosted by the National Marine Environmental Forecasting Center (NMEFC) of the State Oceanic Administration of China (SOA).

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