WEPA41 PAAQ 111652 TSUWCA BULLETIN 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... RECOMMENDED ACTIONS A TSUNAMI HAS BEEN GENERATED WHICH IS EXPECTED TO CAUSE DAMAGE TO THE WARNING AND/OR ADVISORY REGIONS LISTED IN THE HEADLINE. PERSONS IN LOW-LYING COASTAL AREAS SHOULD BE ALERT TO INSTRUCTIONS FROM THEIR LOCAL EMERGENCY OFFICIALS. EVACUATIONS ARE ONLY ORDERED BY EMERGENCY RESPONSE AGENCIES. - PERSONS IN TSUNAMI WARNING COASTAL AREAS SHOULD MOVE INLAND TO HIGHER GROUND. - PERSONS IN TSUNAMI ADVISORY COASTAL AREAS SHOULD MOVE OUT OF THE WATER... OFF THE BEACH AND OUT OF HARBORS AND MARINAS. 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 NTWC.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. PRELIMINARY EARTHQUAKE PARAMETERS MAGNITUDE - 8.9 TIME - 2046 AKST MAR 10 2011 2146 PST MAR 10 2011 0546 UTC MAR 11 2011 LOCATION - 38.3 NORTH 142.4 EAST - NEAR EAST COAST OF HONSHU JAPAN DEPTH - 12 MILES/20 KM TSUNAMI WARNINGS MEAN THAT A TSUNAMI WITH SIGNIFICANT WIDESPREAD INUNDATION IS IMMINENT OR EXPECTED. WARNINGS INDICATE THAT WIDESPREAD DANGEROUS COASTAL FLOODING ACCOMPANIED BY POWERFUL CURRENTS IS POSSIBLE AND MAY CONTINUE FOR SEVERAL HOURS AFTER THE INITIAL WAVE ARRIVAL. TSUNAMI ADVISORIES MEAN 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. 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. REFER TO THE INTERNET SITE NTWC.ARH.NOAA.GOV FOR MORE INFORMATION. PZZ530-CAZ034-035-529-530-006-505>509-002-001-ORZ021-022-002- 001-111822- /O.CON.PAAQ.TS.W.0006.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING POINT CONCEPCION CALIFORNIA TO THE OREGON-WASHINGTON BORDER 852 AM PST FRI MAR 11 2011 ...THE TSUNAMI WARNING CONTINUES IN EFFECT FOR THE COASTAL AREAS OF CALIFORNIA AND OREGON FROM POINT CONCEPCION CALIFORNIA TO THE OREGON-WASHINGTON BORDER... PERSONS IN TSUNAMI WARNING COASTAL AREAS SHOULD MOVE INLAND TO HIGHER GROUND. TSUNAMI WARNINGS MEAN THAT A TSUNAMI WITH SIGNIFICANT WIDESPREAD INUNDATION IS IMMINENT OR EXPECTED. TSUNAMIS ARE A SERIES OF WAVES POTENTIALLY DANGEROUS SEVERAL HOURS AFTER INITIAL ARRIVAL TIME. ESTIMATED TIMES OF INITIAL WAVE ARRIVAL FOR SELECTED SITES IN THE WARNING ARE PROVIDED BELOW. SAN FRANCISCO-CA 0808 PST MAR 11 FOR ARRIVAL TIMES AT ADDITIONAL LOCATIONS SEE NTWC.ARH.NOAA.GOV $$ CAZ042-043-040-041-087-039-111822- /O.CON.PAAQ.TS.Y.0006.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING THE CALIFORNIA-MEXICO BORDER TO POINT CONCEPCION CALIFORNIA 852 AM PST FRI MAR 11 2011 ...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL AREAS OF CALIFORNIA FROM THE CALIFORNIA-MEXICO BORDER TO POINT CONCEPCION CALIFORNIA... PERSONS IN TSUNAMI ADVISORY COASTAL AREAS SHOULD MOVE OUT OF THE WATER... OFF THE BEACH AND OUT OF HARBORS AND MARINAS. TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR WATER IS IMMINENT OR EXPECTED. SIGNIFICANT WIDESPREAD INUNDATION IS NOT EXPECTED FOR AREAS IN AN ADVISORY. TSUNAMIS ARE A SERIES OF WAVES POTENTIALLY DANGEROUS SEVERAL HOURS AFTER INITIAL ARRIVAL TIME. ESTIMATED TIMES OF INITIAL WAVE ARRIVAL FOR SELECTED SITES IN THE ADVISORY ARE PROVIDED BELOW. SANTA BARBARA-CA 0817 PST MAR 11 LA JOLLA-CA 0841 PST MAR 11 SAN PEDRO-CA 0832 PST MAR 11 FOR ARRIVAL TIMES AT ADDITIONAL LOCATIONS SEE NTWC.ARH.NOAA.GOV $$ WAZ001-021-510-514>517-BCZ130-230-250-260-280-160-142-141- 150-121-122-220-210-922-912-921-911-110-AKZ026>029-023-024- 019>022-025-017-131-135-125-121-171-181-185-187-191-111822- /O.CON.PAAQ.TS.Y.0006.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING THE OREGON-WASHINGTON BORDER TO ATTU ALASKA 852 AM PST FRI MAR 11 2011 ...THE TSUNAMI ADVISORY IS EXPANDED FOR THE COASTAL AREAS OF WASHINGTON - BRITISH COLUMBIA AND ALASKA FROM THE OREGON-WASHINGTON BORDER TO ATTU ALASKA... PERSONS IN TSUNAMI ADVISORY COASTAL AREAS SHOULD MOVE OUT OF THE WATER... OFF THE BEACH AND OUT OF HARBORS AND MARINAS. TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR WATER IS IMMINENT OR EXPECTED. SIGNIFICANT WIDESPREAD INUNDATION IS NOT EXPECTED FOR AREAS IN AN ADVISORY. TSUNAMIS ARE A SERIES OF WAVES POTENTIALLY DANGEROUS SEVERAL HOURS AFTER INITIAL ARRIVAL TIME. $$