Text Products for TSU Issued by PPG

Tsunami Watch/Warning
Issued by NWS Pago Pago
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
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BULLETIN
TSUNAMI MESSAGE NUMBER 3
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
1016 AM SST SUN JAN 16 2022

...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR AMERICAN SAMOA...


AUDIENCE
--------
EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC


EVALUATION
----------
  * SEA LEVEL READINGS AT PAGO PAGO HARBOR REGISTERED A WAVE
    WITH AN AMPLITUDE OF 36 CM, EXCEEDING ADVISORY LEVEL OF 30 CM.

  * THIS MIGHT BE FROM ANOTHER EXPLOSION OF TONGA VOLCANO.
    THERE ARE NO KNOWN EARTHQUAKES OF SIGNIFICANT SIZE TO
    GENERATE THIS WAVE.


RECOMMENDED ACTIONS
-------------------

  * PERSONS IN OR NEAR THE OCEAN ALONG THE COASTS OF ALL OF
    AMERICAN SAMOA SHOULD MOVE IMMEDIATELY OUT OF THE WATER AND
    AWAY FROM BEACHES AND HARBORS.

  * DO NOT RETURN TO EVACUATED AREAS UNTIL THE ALL CLEAR IS GIVEN
    BY LOCAL AUTHORITIES.

  * PERSONS IN THE OCEAN SHOULD GET OUT OF THE WATER. PERSONS
    NEAR THE OCEAN SHOULD MOVE AWAY FROM BEACHES AND HARBORS.

  * FOLLOW ANY INSTRUCTIONS FROM GOVERNMENT AGENCIES.


TSUNAMI OBSERVATIONS
--------------------

  * THE FOLLOWING ARE TSUNAMI WAVE OBSERVATIONS FROM COASTAL
    AND/OR DEEP-OCEAN SEA LEVEL GAUGES AT THE INDICATED
    LOCATIONS. THE MAXIMUM TSUNAMI HEIGHT IS MEASURED WITH
    RESPECT TO THE TIDE LEVEL.

                            GAUGE      TIME OF   MAXIMUM     WAVE
                         COORDINATES   MEASURE   TSUNAMI   PERIOD
    GAUGE LOCATION        LAT   LON     (SST)     HEIGHT    (MIN)
    -------------------------------------------------------------
    PAGO PAGO AS         14.3S 170.7W   843 AM   1.2FT/ 0.4M  20


POTENTIAL IMPACTS
-----------------

  * SEA LEVEL FLUCTUATIONS THAT ARE GENERALLY NO MORE THAN 3 FEET
    ABOVE AND BELOW THE TIDE LEVEL.

  * MINOR FLOODING OF BEACH AND HARBOR AREAS.

  * STRONG AND UNUSUAL OCEAN CURRENTS IN HARBORS... BAYS... AND
    OTHER NEAR SHORE WATERS.

  * THE HAZARD BEGAN AROUND 957 AM SST ON SUNDAY JANUARY 16 AND
    IT CAN PERSIST FOR MANY HOURS OR LONGER.


NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------

  * THE NEXT MESSAGE WILL BE ISSUED IN THIRTY MINUTES... OR
    SOONER IF THE SITUATION WARRANTS.

  * FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND ON THE
    INTERNET AT WWW.TSUNAMI.GOV.

$$
National Weather Service Regional Headquarters
