A tsunami advisory means that a tsunami with potential for strong currents or waves dangerous to those in or very near the water is expected or occurring. There may be flooding of beach and harbor areas. Stay out of the water and away from beaches and waterways. Follow instructions from local officials. [1]
Example of a tsunami advisory
TSUNAMI MESSAGE NUMBER 10 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 101 AM HST SUN October 28, 2012 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI ADVISORY THE TSUNAMI WARNING IS NOW CANCELLED FOR THE STATE OF HAWAII. A TSUNAMI ADVISORY IS ISSUED FOR THE STATE OF HAWAII EFFECTIVE AT 1254 AM HST. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0504 PM HST October 27, 2012 COORDINATES - 52.8 NORTH 131.8 WEST LOCATION - QUEEN CHARLOTTE ISLANDS REGION MAGNITUDE - 7.7 MOMENT EVALUATION BASED ON ALL AVAILABLE DATA THE TSUNAMI THREAT HAS DECREASED AND IS NOW AT THE ADVISORY LEVEL AND NOT EXPECTED TO INCREASE. SEA LEVEL CHANGES AND STRONG CURRENTS MAY STILL OCCUR ALONG ALL COASTS THAT COULD BE A HAZARD TO SWIMMERS AND BOATERS AS WELL AS TO PERSONS NEAR THE SHORE AT BEACHES AND IN HARBORS AND MARINAS. THE THREAT MAY CONTINUE FOR SEVERAL HOURS. MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT. $$
See also
References
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^
"Understanding Tsunami Alerts".
National Weather Service. Retrieved January 12, 2022.
This article incorporates text from this source, which is in the
public domain.
- ^ Source – Pacific Tsunami Warning Center