WEAK51 PAAQ 111546
TSUAK1
BULLETIN
PUBLIC TSUNAMI MESSAGE NUMBER 11
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
746 AM PST FRI MAR 11 2011
THE ADVISORY AND WARNING REGIONS REMAIN UNCHANGED. NEW TSUNAMI
OBSERVATIONS ARE INCULDED BELOW.
...THE TSUNAMI WARNING CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF CALIFORNIA AND OREGON FROM POINT CONCEPCION
CALIFORNIA TO THE OREGON-WASHINGTON BORDER...
...THE TSUNAMI WARNING CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF ALASKA FROM AMCHITKA PASS ALASKA/125 MILES W OF
ADAK/ TO ATTU ALASKA...
...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF CALIFORNIA FROM THE CALIFORNIA-MEXICO BORDER TO
POINT CONCEPCION CALIFORNIA...
...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF WASHINGTON - BRITISH COLUMBIA AND ALASKA FROM THE
OREGON-WASHINGTON BORDER TO AMCHITKA PASS ALASKA/125 MILES
W OF ADAK/...
A TSUNAMI WARNING MEANS... ALL COASTAL RESIDENTS IN THE WARNING
AREA WHO ARE NEAR THE BEACH OR IN LOW-LYING REGIONS SHOULD MOVE
IMMEDIATELY INLAND TO HIGHER GROUND AND AWAY FROM ALL HARBORS AND
INLETS INCLUDING THOSE SHELTERED DIRECTLY FROM THE SEA. THOSE
FEELING THE EARTH SHAKE... SEEING UNUSUAL WAVE ACTION... OR THE
WATER LEVEL RISING OR RECEDING MAY HAVE ONLY A FEW MINUTES BEFORE
THE TSUNAMI ARRIVAL AND SHOULD MOVE IMMEDIATELY. HOMES AND
SMALL BUILDINGS ARE NOT DESIGNED TO WITHSTAND TSUNAMI IMPACTS.
DO NOT STAY IN THESE STRUCTURES.
ALL RESIDENTS WITHIN THE WARNED AREA SHOULD BE ALERT FOR
INSTRUCTIONS BROADCAST FROM THEIR LOCAL CIVIL AUTHORITIES.
A TSUNAMI HAS BEEN RECORDED.
A TSUNAMI ADVISORY MEANS THAT A TSUNAMI CAPABLE OF PRODUCING
STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR
THE WATER IS EXPECTED. SIGNIFICANT WIDESPREAD INUNDATION
IS NOT EXPECTED FOR AREAS UNDER AN ADVISORY. CURRENTS
MAY BE HAZARDOUS TO SWIMMERS... BOATS... AND COASTAL
STRUCTURES AND MAY CONTINUE FOR SEVERAL HOURS AFTER THE
INITIAL WAVE ARRIVAL.
AT 946 PM PACIFIC STANDARD TIME ON MARCH 10 AN EARTHQUAKE WITH
PRELIMINARY MAGNITUDE 8.9 OCCURRED
NEAR THE EAST COAST OF HONSHU JAPAN.
THIS EARTHQUAKE HAS GENERATED A TSUNAMI WHICH COULD CAUSE DAMAGE
TO REGIONS IN A WARNING OR ADVISORY.
ESTIMATED TSUNAMI ARRIVAL TIMES AND MAPS ALONG WITH SAFETY RULES
AND OTHER INFORMATION CAN BE FOUND ON THE WEB SITE
WCATWC.ARH.NOAA.GOV.
MEASUREMENTS OR REPORTS OF TSUNAMI ACTIVITY
LOCATION LAT LON TIME AMPL
------------------------ ----- ------ ------- -----------
SHEMYA AK 52.7N 174.1E 1130UTC 05.1FT/01.56M
ADAK AK 51.9N 176.6W 1443UTC 03.4FT/01.04M
MIDWAY IS. USA 28.2N 177.4W 1044UTC 05.1FT/01.55M
WAKE IS. USA 19.3N 166.6E 0918UTC 01.7FT/00.52M
DUTCH HARBOR AK 53.9N 166.5W 1414UTC 01.7FT/00.51M
NAHA JAPAN 26.2N 127.7E 1022UTC 01.6FT/00.49M
NIKOLSKI AK 52.9N 168.9W 1341UTC 01.9FT/00.58M
FRENCH FRIGATE SHOALS 23.5N 166.2W 1334UTC 01.8FT/00.56M
ST PAUL IS. AK 57.1N 170.3W 1225UTC 02.0FT/00.61M
SAND POINT AK 55.3N 160.5W 1459UTC 01.2FT/00.38M
NAWILIWILI KAUAI HI 22.0N 159.4W 1344UTC 02.5FT/00.76M
BARBERS POINT HI 21.5N 158.0W 1312UTC 02.3FT/00.70M
HONOLULU OAHU HI 21.3N 157.9W 1316UTC 02.3FT/00.71M
KAHULUI MAUI HI 20.9N 156.5W 1331UTC 05.7FT/01.74M
HILO HI 19.7N 155.1W 1413UTC 04.6FT/01.41M
KING COVE AK 55.1N 162.3W 1512UTC 02.1FT/00.64M
LANGARA POINT BC 54.2N 133.1W 1403UTC 00.8FT/00.23M
TIME - TIME OF MEASUREMENT
AMPL - TSUNAMI AMPLITUDES ARE MEASURED RELATIVE TO NORMAL SEA LEVEL.
IT IS ...NOT... CREST-TO-TROUGH WAVE HEIGHT.
VALUES ARE GIVEN IN BOTH METERS(M) AND FEET(FT).
TSUNAMI AMPLITUDES ARE EXPECTED TO PEAK TWO TO THREE HOURS AFTER
INITIAL ARRIVAL ALONG THE NORTH AMERICAN COAST.
FORECAST TSUNAMI AMPLITUDES ARE AVAILABLE ON THE WCATWC WEB SITE
WCATWC.ARH.NOAA.GOV.
THE TSUNAMI HAS NOW STARTED IMPACT ALONG THE BRITISH COLUMBIA...
WASHINGTON AND OREGON COAST. THE TSUNAMI IS JUST STARTING TO BE
RECORDED ON GAGES IN THOSE STATES AND PROVINCES.
TSUNAMIS CAN BE DANGEROUS WAVES THAT ARE NOT SURVIVABLE. WAVE
HEIGHTS ARE AMPLIFIED BY IRREGULAR SHORELINE AND ARE DIFFICULT TO
FORECAST. TSUNAMIS OFTEN APPEAR AS A STRONG SURGE AND MAY BE
PRECEDED BY A RECEDING WATER LEVEL. MARINERS IN WATER DEEPER
THAN 600 FEET SHOULD NOT BE AFFECTED BY A TSUNAMI. WAVE HEIGHTS
WILL INCREASE RAPIDLY AS WATER SHALLOWS. TSUNAMIS ARE A SERIES OF
OCEAN WAVES WHICH CAN BE DANGEROUS FOR SEVERAL HOURS AFTER THE
INITIAL WAVE ARRIVAL. DO NOT RETURN TO EVACUATED AREAS UNTIL AN
ALL CLEAR IS GIVEN BY LOCAL CIVIL AUTHORITIES.
PACIFIC COASTAL REGIONS OUTSIDE CALIFORNIA/ OREGON/ WASHINGTON/
BRITISH COLUMBIA AND ALASKA SHOULD REFER TO THE PACIFIC TSUNAMI
WARNING CENTER MESSAGES FOR INFORMATION ON THIS EVENT AT
WWW.WEATHER.GOV/PTWC.
THIS MESSAGE WILL BE UPDATED IN 60 MINUTES OR SOONER IF
THE SITUATION WARRANTS. THE TSUNAMI MESSAGE WILL REMAIN
IN EFFECT UNTIL FURTHER NOTICE. FOR FURTHER INFORMATION STAY TUNED
TO NOAA WEATHER RADIO... YOUR LOCAL TV OR RADIO STATIONS... OR SEE
THE WEB SITE WCATWC.ARH.NOAA.GOV.
$$
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