TSUNAMI WARNING SYSTEM NAME-ATIF AQUEEL CLASS & SECTION -EN-A ROLL NO-1613321033
WHAT IS TSUNAMI NATIONAL WARNING SYSTEM TSUNAMI WARNING SYSTEM TSUNAMI WARNING HOW TSUNAMI CENTERS ISSUE WARNING HOW THEY WORK TWC COMMUNICATION PATHWAYS WARNING PROCESS CONTENTS
Tsunami Warning Information
Strong Local Coastal Earthquake ACTION
Noticeable Rise or Fall of Coastal Waters ACTION Go Inland to High Ground Immediately
How Tsunami Centers Issue Warning TWCs are reliable and dependable; 24x7 Monitor seismicity for large earthquakes Monitor sea levels for tsunamis When alarms trigger, evaluate earthquake for tsunami threat Issue Official tsunami threat messages to authorities and public
U.S. TWCs: NOAA NWS West Coast / Alaska Tsunami Warning Center and Pacific Tsunami Warning Center How Tsunami Warning Centers Work
TWC Communication Pathways TWC messages are: authoritative, coordinated among other TWCs issued simultaneously to many customers (international, national, local, private sector, public) reliable since they are working 24x7 redundant since they are issued through many communication pathways broadcast because of time urgency
PTWC PACIFIC BULLETIN CRITERIA
Warning Process: How it Reaches the “last mile on the coast” 1- Sirens 2-Commercial Radio and Television 3-HF Radio
How People Get Warnings: Reality PUBLIC Friends & Family Federal Agencies Radio Cell Phone NOAA Weather Radio Texting & Social Networks Internet TV State Agencies Local Agencies Reverse 911
Testing multi-hazard communication systems provides an opportunity to: Check system reliability Exercise operational lines of communications Review Standard Operational Procedures Promote public awareness Importance of Communications Testing to Ensure System Works