Public Information Statement
Issued by NWS National HQ
Issued by NWS National HQ
046 NOUS41 KWBC 172005 PNSWSH Public Information Statement 26-41 National Weather Service Headquarters Silver Spring MD 405 PM EDT Wed Jun 17 2026 To: Subscribers: -NOAA Weather Wire Service -Emergency Managers Weather Information Network -NOAAPort Other NWS Partners, Users and Employees From: Mary Mullusky National Weather Service Subject: NWS to Issue National Tsunami Warning Center Routine Communications Tests for the East and Gulf Coast on June 24, 2026 The NWS National Tsunami Warning Center (NTWC) and coastal NWS Weather Forecast Offices (WFOs) will perform routine monthly tsunami communication tests to ensure end-to-end readiness of NWS dissemination software and hardware on Wednesday, June 24, 2026 for East and Gulf Coast states. The intended recipients of these communication tests include designated national focal points, state/territorial warning points, coastal WFOs, U.S. Coast Guard and critical military dissemination points. These tests are not intended for the Public, nor should they be transmitted by third-party services or apps to the public. They will not appear on tsunami.gov. Valid Time Event Codes (VTEC) for the test messages will start with the /T fixed identifier versus /O for operational messages. To provide additional assurance that a test message is not inadvertently distributed as an actual Warning/Advisory/Watch product, Event Tracking Numbers (ETNs) for the test messages will begin with 9 as the leading digit of the four character code. The text products affected by routine monthly tsunami communication testing are the national tsunami products issued under the following Advanced Weather Interactive Processing System (AWIPS) Product Identifiers (PIL) and World Meteorological Organization (WMO) Identifiers (IDs): NTWC Product AWIPS PIL WMO ID ------------ --------- ------ Segmented Tsunami W/W/A for U.S. TSUAT1 WEXX20 Atlantic Coast, Gulf Coast and Canada East Coast Public Tsunami W/W/A for U.S. TSUATE WEXX30 Atlantic Coast, Gulf Coast and Canada East Coast Routine tsunami communications testing will continue monthly. WFOs taking part in the national monthly tsunami communications test are listed below by NWS Region: NWS Eastern Region: Boston, MA (BOX) Caribou, ME (CAR) Charleston, SC (CHS) Gray/Portland, ME (GYX) Mount Holly, NJ (PHI) Newport/Morehead City, NC (MHX) New York, NY (OKX) Sterling, VA (LWX) Wakefield, VA (AKQ) Wilmington, NC (ILM) NWS Southern Region: Brownsville, TX (BRO) Corpus Christi, TX (CRP) Houston, TX (HGX) Jacksonville, FL (JAX) Key West, FL (KEY) Lake Charles, LA (LCH) Melbourne, FL (MLB) Miami, FL (MFL) Mobile, AL (MOB) New Orleans, LA (LIX) Tallahassee, FL (TAE) Tampa Bay Area, FL (TBW) For more information, please contact: Sarah Rogowski NWS Ocean and Tsunami Center Sarah.Rogowksi@noaa.gov National Public Information Statements are online at: https://www.weather.gov/notification/