WEPA41 PAAQ 280305 TSUWCA BULLETIN TSUNAMI MESSAGE NUMBER 21 NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK 705 PM PST SAT FEB 27 2010 ...A TSUNAMI ADVISORY IS IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF CALIFORNIA FROM THE CALIFORNIA-MEXICO BORDER TO THE OREGON-CALIFORNIA BORDER... ...A TSUNAMI ADVISORY IS IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF ALASKA FROM SEWARD ALASKA TO ATTU ALASKA... ...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF OREGON - WASHINGTON - BRITISH COLUMBIA AND ALASKA FROM THE OREGON-CALIFORNIA BORDER TO SITKA ALASKA... ...THE TSUNAMI ADVISORY IS CANCELED FOR THE COASTAL AREAS OF ALASKA FROM SITKA ALASKA TO SEWARD ALASKA... RECOMMENDED ACTIONS A TSUNAMI HAS BEEN GENERATED WHICH COULD IMPACT 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 ------------------------ ----- ------ ------- ----------- SANTA BARBARA CA 34.4N 119.7W 0116UTC 0.89M/2.9FT CRESCENT CITY CA 41.7N 124.2W 0006UTC 0.60M/2.0FT SANTA MONICA CA 34.0N 118.5W 2022UTC 0.71M/2.3FT ELFIN COVE AK 58.2N 136.3W 0030UTC 0.08M/0.3FT PORT ANGELES WA 48.1N 123.4W 2354UTC 0.15M/0.5FT ATKA AK 52.1N 174.4W 0244UTC 0.31M/1.0FT KING COVE AK 55.1N 162.3W 0233UTC 0.61M/2.0FT DUTCH HARBOR AK 53.9N 166.5W 0232UTC 0.19M/0.6FT KODIAK AK 57.7N 152.5W 0250UTC 0.29M/0.9FT OLD HARBOR AK 57.2N 153.3W 0124UTC 0.47M/1.6FT TSUNAMI AMPLITUDES ARE DECREASING ALONG THE CALIFORNIA COAST BUT ARE STILL ABOVE DANGER LEVELS IN A FEW LOCATIONS. TSUNAMI AMPLITUDES ARE INCREASING IN KODIAK ISLAND THROUGH THE ALEUTIAN ISLANDS. AMPLITUDES IN THE GULF OF ALASKA ARE BELOW DANGER THRESHOLDS AND THE ADVISORY IS CANCELLED. 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 - 8.8 TIME - 2134 AKST FEB 26 2010 2234 PST FEB 26 2010 0634 UTC FEB 27 2010 LOCATION - 36.1 SOUTH 72.6 WEST - NEAR COAST OF CENTRAL CHILE DEPTH - 34 MILES/55 KM THE PACIFIC TSUNAMI WARNING CENTER IN EWA BEACH HAWAII WILL ISSUE MESSAGES FOR HAWAII AND OTHER AREAS OF THE PACIFIC OUTSIDE THE STATES AND PROVINCES PREVIOUSLY LISTED. 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. PKZ011>013-021-022-043-051-052-053-120-121-125>129-AKZ018>022- 025-017-131-135-280435- /O.CAN.PAAQ.TS.Y.0005.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING SITKA ALASKA TO SEWARD ALASKA 705 PM PST SAT FEB 27 2010 ...THE TSUNAMI ADVISORY IS CANCELED FOR THE COASTAL AREAS OF ALASKA FROM SITKA ALASKA TO SEWARD ALASKA... $$ PZZ650-655-673-750-775-565-670-530-535-545-560-455-540-450- CAZ039>043-087-034-035-530-006-506-508-509-529-002-505-001- 280435- /O.CON.PAAQ.TS.Y.0005.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING THE CALIFORNIA-MEXICO BORDER TO THE OREGON-CALIFORNIA BORDER 705 PM PST SAT FEB 27 2010 ...A TSUNAMI ADVISORY IS IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF CALIFORNIA FROM THE CALIFORNIA-MEXICO BORDER TO THE OREGON-CALIFORNIA BORDER... PERSONS IN TSUNAMI ADVISORY AREAS SHOULD MOVE OUT OF THE WATER... OFF THE BEACH AND OUT OF HARBORS AND MARINAS. TSUNAMI ADVISORIES MEAN THAT A TSUNAMI CAPABLE OF PRODUCING STRONG CURRENTS OR WAVES DANGEROUS TO PERSONS IN OR VERY NEAR WATER IS IMMINENT OF EXPECTED. SIGNIFICANT WIDESPREAD INUNDATION IS NOT EXPECTED FOR AREAS IN AN ADVISORY. TSUNAMIS ARE A SERIES OF WAVES POTENTIALLY DANGEROUS SEVERAL HOURS AFTER INITIAL ARRIVAL TIME. $$ PKZ130-140-141-132-136>138-150-155-170-171-172-175-176-AKZ121- 125-145-171-181-185-187-191-280435- /O.CON.PAAQ.TS.Y.0005.000000T0000Z-000000T0000Z/ COASTAL AREAS BETWEEN AND INCLUDING SEWARD ALASKA TO ATTU ALASKA 705 PM PST SAT FEB 27 2010 ...A TSUNAMI ADVISORY IS IN EFFECT WHICH INCLUDES THE COASTAL AREAS OF ALASKA FROM SEWARD ALASKA TO ATTU ALASKA... 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. COLD BAY-AK 1709 AKST FEB 27 HOMER-AK 1739 AKST FEB 27 SHEMYA-AK 1721 AKST FEB 27 FOR ARRIVAL TIMES AT ADDITIONAL LOCATIONS SEE NTWC.ARH.NOAA.GOV $$