NOAA/NWS Pacific Tsunami Warning Center Users’ Guide Tsunami Warning Products for Puerto Rico, U.S. Virgin Islands, and British Virgin Islands Version 1.1 March 15, 2017 1 2 CHANGE LOG DATE DESCRIPTION OF CHANGE VER WHO 1/10/2016 Initial version of the Plan 1.00 McCreery 3/29/2016 Corrected date on the Plan. Otherwise, no substantive changes. 1.01 McCreery 7/14/16 Replaced SPN with SP1 in all AWIPS IDs 1.02 McCreery Tsunami Seismic Information Statement incorporated into 3/15/17 1.1 McCreery Tsunami Information Statement 3/15/17 Changed transition date to April 3, 2017 1.1 McCreery Removed statement that the AWIPS IDs for the Spanish- 3/15/17 1.1 McCreery language products were under review 3 4 Table of Contents Introduction ..................................................................................................................................... 8 Pacific Tsunami Warning Center ................................................................................................ 8 Puerto Rico and the Virgin Islands ............................................................................................. 9 Tsunami Threat ......................................................................................................................... 10 Products and Associated Threats .................................................................................................. 14 Tsunami Information Statement – No Threat ........................................................................... 14 Tsunami Information Statement – Potential Threat .................................................................. 14 Tsunami Watch ......................................................................................................................... 14 Tsunami Advisory ..................................................................................................................... 15 Tsunami Warning...................................................................................................................... 16 Official Product Definitions .......................................................................................................... 16 Tsunami Warning...................................................................................................................... 16 Tsunami Advisory ..................................................................................................................... 17 Tsunami Watch ......................................................................................................................... 17 Tsunami Information Statement ............................................................................................... 17 Product Types and Identifiers ....................................................................................................... 17 Product Dissemination .................................................................................................................. 18 Tsunami travel times ..................................................................................................................... 18 Pre-Determined Seismic Criteria for Initial Levels of Alert ......................................................... 21 Distant Earthquakes .................................................................................................................. 21 Nearby Earthquakes (tsunami arrival in less than 3 hours) ...................................................... 21 Tsunami Threat Criteria for Subsequent Levels of Alert .............................................................. 22 Earthquake Location Description ................................................................................................. 23 Forecast Points .............................................................................................................................. 23 Product Timing ............................................................................................................................. 24 Product Content ............................................................................................................................ 25 Ensuring Preparedness .................................................................................................................. 25 Monthly Communication Tests................................................................................................. 25 Exercises ................................................................................................................................... 26 Sample Products............................................................................................................................ 27 Nearby Earthquake - Tsunami Information Statement ............................................................. 27 English Version ..................................................................................................................... 27 Spanish Version .................................................................................................................... 28 5 Nearby Earthquake – Initial Tsunami Advisory Message ........................................................ 30 English Version ..................................................................................................................... 30 Spanish Version .................................................................................................................... 33 NWR Version........................................................................................................................ 37 Nearby Earthquake – Tsunami Advisory with Forecast ........................................................... 38 English Version ..................................................................................................................... 38 Spanish Version .................................................................................................................... 42 NWR Version........................................................................................................................ 46 Nearby Earthquake – Tsunami Advisory with Observations ................................................... 47 English Version ..................................................................................................................... 47 Spanish Version .................................................................................................................... 51 NWR Version........................................................................................................................ 55 Nearby Earthquake – Tsunami Advisory Cancellation ............................................................ 56 English Version ..................................................................................................................... 56 Spanish Version .................................................................................................................... 58 NWR Version........................................................................................................................ 60 Nearby Earthquake – Initial Tsunami Warning Message ......................................................... 61 English Version ..................................................................................................................... 61 Spanish Version .................................................................................................................... 65 NWR Version........................................................................................................................ 68 Nearby Earthquake – Tsunami Warning with Forecast ............................................................ 70 English Version ..................................................................................................................... 70 Spanish Version .................................................................................................................... 73 NWR Version........................................................................................................................ 77 Nearby Earthquake – Tsunami Warning with Observations .................................................... 78 English Version ..................................................................................................................... 78 Spanish Version .................................................................................................................... 82 NWR Version........................................................................................................................ 86 Nearby Earthquake – Tsunami Warning Cancellation ............................................................. 87 English Version ..................................................................................................................... 87 Spanish Version .................................................................................................................... 90 NWR Version........................................................................................................................ 93 Distant Earthquake - Tsunami Information No Threat ............................................................. 94 English Version ..................................................................................................................... 94 6 Spanish Version