Public warning of a tsunami approaching
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
[2]
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
External links