WEPA41 PAAQ 292202 TSUWCA BULLETIN TSUNAMI MESSAGE NUMBER 3 NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK 302 PM PDT TUE SEP 29 2009 ...A TSUNAMI ADVISORY IS IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF CALIFORNIA AND OREGON FROM THE CALIFORNIA-MEXICO BORDER TO THE OREGON-WASHINGTON BORDER... ...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF WASHINGTON - BRITISH COLUMBIA AND ALASKA FROM THE OREGON-WASHINGTON BORDER TO ATTU ALASKA... RECOMMENDED ACTIONS A TSUNAMI HAS BEEN GENERATED WHICH COULD CAUSE DAMAGE TO THE 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 ADVISORY AREAS SHOULD MOVE OUT OF THE WATER... OFF THE BEACH AND OUT OF HARBORS AND MARINAS. THIS MESSAGE IS BASED ON EARTHQUAKE DATA... OBSERVED TSUNAMI AMPLITUDES... HISTORICAL INFORMATION AND FORECAST MODELS. A TSUNAMI HAS BEEN OBSERVED AT THE FOLLOWING SITES LOCATION LAT LON TIME AMPL ------------------------ ----- ------ ------- ----------- APIA WEST SAMOA 13.8S 171.8W 1832UTC 0.70M/2.3FT PAGO PAGO AMER. SAMOA 14.3S 170.7W 1825UTC 1.57M/5.1FT RAROTONGA COOK IS. (NZ 21.2S 159.8E 1950UTC 0.54M/1.8FT FORECASTS INDICATE THAT A TSUNAMI WITH AMPLITUDES IN THE RANGE OF 20 TO 65CM IS EXPECTED ALONG THE CALIFORNIA AND OREGON COAST. TSUNAMIS OF THIS AMPLITUDE CAN GENERATE STRONG CURRENTS DANGEROUS TO THOSE VERY NEAR OR IN THE OCEAN. THE TSUNAMI IS EXPECTED TO BUILD AND REACH ITS MAXIMUM APPROXIMATELY ONE AND A HALF HOURS AFTER THE INITIAL ARRIVAL. FURTHER ARRIVAL TIMES AND OTHER INFORMATION IS LISTED IN THE WEB SITE BELOW. 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). PRELIMINARY EARTHQUAKE PARAMETERS MAGNITUDE - 8.0 TIME - 0948 AKDT SEP 29 2009 1048 PDT SEP 29 2009 1748 UTC SEP 29 2009 LOCATION - 15.3 SOUTH 171.0 WEST - SAMOA ISLANDS REGION DEPTH - 21 MILES/33 KM THE PACIFIC TSUNAMI WARNING CENTER IN EWA BEACH HAWAII HAS CANCELLED THE WARNING FOR COUNTRIES IN THE SAMOA REGION. TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR THE WATER IS IMMINENT OR 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. 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. PZZ750-655-650-673-670-565-535-530-545-560-455-540-450-356- 353-350-255-250-CAZ039>046-087-034-035-515-006-506-508-509- 514-505-002-001-ORZ022-002-021-001-292302- /O.NEW.PAAQ.TS.Y.0008.090929T2202Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING THE CALIFORNIA-MEXICO BORDER TO THE OREGON-WASHINGTON BORDER 302 PM PDT TUE SEP 29 2009 ...A TSUNAMI ADVISORY IS IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF CALIFORNIA AND OREGON FROM THE CALIFORNIA-MEXICO BORDER TO THE OREGON-WASHINGTON BORDER... PERSONS IN TSUNAMI ADVISORY 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 OF 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 2103 PDT SEP 29 SAN FRANCISCO-CA 2125 PDT SEP 29 LA JOLLA-CA 2107 PDT SEP 29 CHARLESTON-OR 2128 PDT SEP 29 CRESCENT CITY-CA 2116 PDT SEP 29 SEASIDE-OR 2201 PDT SEP 29 FOR ARRIVAL TIMES AT ADDITIONAL LOCATIONS SEE NTWC.ARH.NOAA.GOV $$