Alert archive / Hawaii / Tsunami Advisories in 2012
Tsunami Advisory 1, NWS HEB
NWS HEB issued this tsunami advisory at Oct 28, 2012, 12:54 AM HST for 4 counties in Hawaii. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Oct 28, 2012, 12:54 AM HST (10:54 UTC)
- Expired
- Oct 28, 2012, 3:59 AM HST
- In force
- 3 hr
- Issued by
- NWS HEB
Counties Hawaii County, HI, Honolulu County, HI, Kalawao County, HI, Kauai County, HI
The radar
The Molokai radar (PHMO), 38 km from the middle of the area, began a volume at 10:58 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lihue, (PHLI), launched 00:00Z, 10.9 hours before the alert went out and 214 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 215 J/kg
- Mixed-layer CIN
- -137 J/kg
- Mixed-layer LCL
- 999 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
247 WEHW40 PHEB 281101 TSUHWX HIZ001>003-005>009-012>014-016>021-023>026-281301- /O.CAN.PHEB.TS.W.0001.000000T0000Z-000000T0000Z/ /O.NEW.PHEB.TS.Y.0001.121028T1054Z-000000T0000Z/ TSUNAMI MESSAGE NUMBER 10 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 101 AM HST SUN OCT 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 27 OCT 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. $$
3 follow-up statements
322 WEHW40 PHEB 281200 TSUHWX HIZ001>003-005>009-012>014-016>021-023>026-281400- /O.CON.PHEB.TS.Y.0001.000000T0000Z-000000T0000Z/ TSUNAMI MESSAGE NUMBER 11 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 200 AM HST SUN OCT 28 2012 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI ADVISORY SUPPLEMENT A TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE STATE OF HAWAII. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0504 PM HST 27 OCT 2012 COORDINATES - 52.8 NORTH 131.8 WEST LOCATION - QUEEN CHARLOTTE ISLANDS REGION MAGNITUDE - 7.7 MOMENT EVALUATION TSUNAMI WAVES THAT CAN BE A HAZARD TO SWIMMERS AND BOATERS AS WELL AS TO PERSONS NEAR THE SHORE AT BEACHES AND IN HARBORS AND MARINAS ARE NOW AFFECTING THE STATE OF HAWAII. THIS HAZARD COULD CONTINUE FOR SEVERAL HOURS. THE SITUATION IS BEING MONITORED CLOSELY AND THE ADVISORY WILL END WHEN THE HAZARD HAS PASSED. MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT. $$
597 WEHW40 PHEB 281300 TSUHWX HIZ001>003-005>009-012>014-016>021-023>026-281500- /O.CON.PHEB.TS.Y.0001.000000T0000Z-000000T0000Z/ TSUNAMI MESSAGE NUMBER 12 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 300 AM HST SUN OCT 28 2012 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - TSUNAMI ADVISORY SUPPLEMENT A TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE STATE OF HAWAII. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0504 PM HST 27 OCT 2012 COORDINATES - 52.8 NORTH 131.8 WEST LOCATION - QUEEN CHARLOTTE ISLANDS REGION MAGNITUDE - 7.7 MOMENT 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. MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS WARRANT. $$
650 WEHW40 PHEB 281359 TSUHWX HIZ001>003-005>009-012>014-016>021-023>026-281559- /O.CAN.PHEB.TS.Y.0001.000000T0000Z-000000T0000Z/ TSUNAMI MESSAGE NUMBER 13 NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI 359 AM HST SUN OCT 28 2012 TO - CIVIL DEFENSE IN THE STATE OF HAWAII SUBJECT - FINAL TSUNAMI ADVISORY THE TSUNAMI ADVISORY IS ENDED FOR THE STATE OF HAWAII EFFECTIVE AT 0358 AM HST. AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS ORIGIN TIME - 0504 PM HST 27 OCT 2012 COORDINATES - 52.8 NORTH 131.8 WEST LOCATION - QUEEN CHARLOTTE ISLANDS REGION MAGNITUDE - 7.7 MOMENT EVALUATION TSUNAMI WAVE HEIGHTS ACROSS THE STATE OF HAWAII ARE NOW BELOW ADVISORY LEVELS AND ARE CONTINUING TO DIMINISH. BASED ON ALL AVAILABLE DATA THE PACIFIC TSUNAMI WARNING CENTER IS NOW CANCELLING THE TSUNAMI ADVISORY. SMALLER SEA LEVEL CHANGES AND STRONG OR UNUSUAL CURRENTS MAY PERSIST FOR SEVERAL ADDITIONAL HOURS AND APPROPRIATE CAUTION SHOULD BE EXERCISED BY BOATERS AND SWIMMERS. THIS WILL BE THE FINAL MESSAGE ISSUED FOR THIS EVENT UNLESS ADDITIONAL DATA ARE RECEIVED. $$
The office that day
Everything else NWS HEB issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 27, 7:09 PM HST | Tsunami Warning | HEB | Hawaii, Honolulu, Kauai, Kalawao | 6 hr |
Nearby
Tsunami Advisories in Hawaii, 2012Every tsunami advisory in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.