WEAK51 PAAQ 111652
TSUAK1
BULLETIN
PUBLIC TSUNAMI MESSAGE NUMBER 12
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
852 AM PST FRI MAR 11 2011
THE TSUNAMI WARNING IN THE WESTERN ALEUTIANS HAS BEEN DOWNGRADED
TO AN ADVISORY.
...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 ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF CALIFORNIA FROM THE CALIFORNIA-MEXICO BORDER TO
POINT CONCEPCION CALIFORNIA...
...THE TSUNAMI ADVISORY IS EXPANDED FOR THE COASTAL
AREAS OF WASHINGTON - BRITISH COLUMBIA AND ALASKA FROM THE
OREGON-WASHINGTON BORDER TO ATTU ALASKA...
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
------------------------ ----- ------ ------- -----------
ADAK AK 51.9N 176.6W 1443UTC 03.4FT/01.04M
SHEMYA AK 52.7N 174.1E 1130UTC 05.1FT/01.56M
DUTCH HARBOR AK 53.9N 166.5W 1414UTC 01.7FT/00.51M
NIKOLSKI AK 52.9N 168.9W 1341UTC 01.9FT/00.58M
SAND POINT AK 55.3N 160.5W 1521UTC 01.2FT/00.36M
KING COVE AK 55.1N 162.3W 1512UTC 02.1FT/00.64M
LANGARA POINT BC 54.2N 133.1W 1403UTC 00.8FT/00.23M
CHARLESTON OR 43.3N 124.3W 1533UTC 01.8FT/00.55M
LA PUSH WA 47.5N 124.4W 1524UTC 01.7FT/00.53M
NEAH BAY WA 48.4N 124.6W 1539UTC 00.5FT/00.17M
PORT ORFORD OR 42.7N 124.5W 1519UTC 01.7FT/00.53M
SOUTH BEACH OR 44.6N 124.0W 1544UTC 00.7FT/00.22M
WESTPORT WA 46.9N 124.1W 1545UTC 00.9FT/00.26M
PORT ALEXANDER AK 56.2N 134.6W 1536UTC 01.0FT/00.32M
ARENA COVE CA 38.9N 123.7W 1614UTC 02.8FT/00.87M
CRESCENT CITY CA 41.7N 124.2W 1538UTC 03.4FT/01.04M
MONTEREY HARBOR CA 36.6N 121.9W 1550UTC 02.4FT/00.72M
SAN FRANCISCO CA 37.8N 122.5W 1619UTC 01.6FT/00.49M
NORTH SPIT CA 40.8N 124.2W 1630UTC 03.1FT/00.95M
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 IS NOW IMPACTING THE BRITISH COLUMBIA...
WASHINGTON... OREGON... AND CALIFORNIA COAST. THE IMPACT IS
EXPECTED TO CONTINUE AND POTENTIALLY INCREASE FOR THE NEXT
SEVERAL HOURS.
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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