ZCZC
WEHW40 PHEB 151151
TSUHWX

HIZ001-003-006>007-009-016>018-023-026-029>035-037>050-051>054-
151351-
/O.CON.PHEB.TS.Y.0000.000000T0000Z-000000T0000Z/

TSUNAMI MESSAGE NUMBER   3
NWS PACIFIC TSUNAMI WARNING CENTER HONOLULU HI
151 AM HST SAT JAN 15 2022

TO - EMERGENCY MANAGEMENT IN THE STATE OF HAWAII

SUBJECT - TSUNAMI ADVISORY SUPPLEMENT

A TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE STATE OF HAWAII.

A VOLCANIC ERUPTION OCCURRED WITH THESE PRELIMINARY PARAMETERS

   ORIGIN TIME - 0627 PM HST 14 JAN 2022
   COORDINATES - 20.5 SOUTH  175.4 WEST
   LOCATION    - TONGA

MEASUREMENTS OR REPORTS OF TSUNAMI WAVE ACTIVITY

 GAUGE LOCATION        LAT   LON    TIME        AMPL         PER
 -------------------  ----- ------  -----  ---------------  -----
 KAHULUI MAUI         20.9N 156.5W  1136Z   0.24M /  0.8FT  34MIN
 HONOLULU OAHU        21.3N 157.9W  1112Z   0.12M /  0.4FT  14MIN
 KAWAIHAE HAWAII      20.0N 155.8W  1132Z   0.37M /  1.2FT  10MIN
 BARBERS PT HI        21.3N 158.1W  1135Z   0.19M /  0.6FT  04MIN
 MAKAI PIER WAIMANAL  21.3N 157.7W  1128Z   0.28M /  0.9FT  10MIN
 HILO HAWAII          19.7N 155.1W  0929Z   0.10M /  0.3FT  16MIN
 NAWILIWILI KAUAI     22.0N 159.4W  1057Z   0.31M /  1.0FT  12MIN

 LAT  - LATITUDE (N-NORTH, S-SOUTH)
 LON  - LONGITUDE (E-EAST, W-WEST)
 TIME - TIME OF THE MEASUREMENT (Z IS UTC IS GREENWICH TIME)
 AMPL - TSUNAMI AMPLITUDE MEASURED RELATIVE TO NORMAL SEA LEVEL.
        IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT.
        VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT).
 PER  - PERIOD OF TIME IN MINUTES(MIN) FROM ONE WAVE TO THE NEXT.

 NOTE - DART MEASUREMENTS ARE FROM THE DEEP OCEAN AND THEY
        ARE GENERALLY MUCH SMALLER THAN WOULD BE COASTAL
         MEASUREMENTS AT SIMILAR LOCATIONS.

EVALUATION

 TSUNAMI WAVES THAT CAN BE A HAZARD TO SWIMMERS AND BOATERS AS
 WELL AS TO PERSONS NEAR THE SHORE AT BEACHES AND IN HARBORS AND
 MARINAS ARE NOW AFFECTING THE STATE OF HAWAII. THIS HAZARD COULD
 CONTINUE FOR SEVERAL HOURS. THE SITUATION IS BEING MONITORED
 CLOSELY AND THE ADVISORY WILL END WHEN THE HAZARD HAS PASSED.

FURTHER MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS
WARRANT UNTIL THE THREAT TO HAWAII HAS PASSED.

$$



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