TSUAK1
BULLETIN
PUBLIC TSUNAMI MESSAGE NUMBER 22
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
803 PM PST SAT FEB 27 2010
...A TSUNAMI ADVISORY IS IN EFFECT WHICH INCLUDES THE
COASTAL AREAS OF ALASKA FROM KODIAK ALASKA TO ATTU
ALASKA...
...THE TSUNAMI ADVISORY IS CANCELED FOR THE COASTAL AREAS
OF CALIFORNIA FROM THE CALIFORNIA-MEXICO BORDER TO THE
OREGON-CALIFORNIA BORDER...
...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF
OREGON - WASHINGTON - BRITISH COLUMBIA AND ALASKA FROM THE
OREGON-CALIFORNIA BORDER TO SEWARD ALASKA...
...THE TSUNAMI ADVISORY IS CANCELED FOR THE COASTAL AREAS
OF ALASKA FROM SEWARD ALASKA TO KODIAK ALASKA...
A TSUNAMI ADVISORY MEANS 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.
AT 1034 PM PACIFIC STANDARD TIME ON FEBRUARY 26 AN EARTHQUAKE WITH
PRELIMINARY MAGNITUDE 8.8 OCCURRED
NEAR THE COAST OF CENTRAL CHILE.
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.
A TSUNAMI HAS BEEN OBSERVED AT THE FOLLOWING SITES
LOCATION LAT LON TIME AMPL
------------------------ ----- ------ ------- -----------
SAND POINT AK 55.3N 160.5W 0257UTC 0.33M/1.1FT
ADAK AK 51.9N 176.6W 0219UTC 0.25M/0.8FT
ATKA AK 52.1N 174.4W 0232UTC 0.31M/1.0FT
DUTCH HARBOR AK 53.9N 166.5W 0311UTC 0.20M/0.7FT
KING COVE AK 55.1N 162.3W 0230UTC 0.60M/2.0FT
KODIAK AK 57.7N 152.5W 0246UTC 0.40M/1.3FT
SEWARD AK 60.1N 149.4W 0140UTC 0.33M/1.1FT
ELFIN COVE AK 58.2N 136.3W 0030UTC 0.08M/0.3FT
PORT ANGELES WA 48.1N 123.4W 2354UTC 0.15M/0.5FT
SANTA BARBARA CA 34.4N 119.7W 0116UTC 0.89M/2.9FT
TSUNAMI AMPLITUDES CONTINUE TO DECREASE ALONG THE CALIFORNIA COAST
AND THE ADVISORY FOR THE STATE IS CANCELLED. HOWEVER, POTENTIALLY
DANGEROUS SURGES MAY STILL OCCUR AND CAUTION SHOULD BE
TAKEN IN NEAR SHORE ACTIVITES.
THE ADVISORY CONTINUES FOR ALASKA FOR THE TOWN OF KODIAK WEST
TO ATTU.
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).
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.
THE PACIFIC TSUNAMI WARNING CENTER IN EWA BEACH HAWAII WILL ISSUE
MESSAGES FOR HAWAII AND OTHER AREAS OF THE PACIFIC OUTSIDE
CALIFORNIA/ OREGON/ WASHINGTON/ BRITISH COLUMBIA AND ALASKA.
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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