Alert archive / Alaska / Tsunami Warnings in 2011

Tsunami Warning 21, NWS AAQ

September 2, 2011

NWS AAQ issued this tsunami warning at Sep 2, 2011, 2:59 AM AKDT. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 2, 2011, 2:59 AM AKDT (10:59 UTC)
Expired
Sep 2, 2011, 3:57 AM AKDT
In force
58 min
Issued by
NWS AAQ

The text

As transmitted, in the capitals the NWS used until 2016.

819 
WEPA41 PAAQ 021059
TSUWCA

BULLETIN
TSUNAMI MESSAGE NUMBER 1
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
259 AM AKDT FRI SEP 2 2011

...A TSUNAMI WARNING IS NOW IN EFFECT WHICH INCLUDES THE
   COASTAL AREAS OF ALASKA FROM UNIMAK PASS ALASKA/80 MILES NE
   OF DUTCH HARBOR/ TO AMCHITKA PASS ALASKA/125 MILES W OF
   ADAK/...

...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF
   CALIFORNIA - OREGON - WASHINGTON - BRITISH COLUMBIA AND
   ALASKA FROM THE CALIFORNIA-MEXICO BORDER TO UNIMAK PASS
   ALASKA/80 MILES NE OF DUTCH HARBOR/...

...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF
   ALASKA FROM AMCHITKA PASS ALASKA/125 MILES W OF ADAK/ TO
   ATTU ALASKA...

RECOMMENDED ACTIONS
 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.

PRELIMINARY EARTHQUAKE PARAMETERS
 MAGNITUDE - 7.1
 TIME      - 0256 AKDT SEP 02 2011
             0356  PDT SEP 02 2011
             1056  UTC SEP 02 2011
 LOCATION  - 51.8 NORTH 171.4 WEST
              45 MILES/72 KM SE OF AMUKTA PASS ALASKA
             230 MILES/370 KM E OF ADAK ALASKA
 DEPTH     - 24 MILES/39 KM

TSUNAMI WARNINGS MEAN THAT A TSUNAMI WITH SIGNIFICANT WIDESPREAD
INUNDATION IS IMMINENT... EXPECTED OR OCURRING.  WARNINGS INDICATE
THAT WIDESPREAD DANGEROUS COASTAL FLOODING ACCOMPANIED BY POWERFUL
CURRENTS IS POSSIBLE 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 IS BASED MAINLY ON EARTHQUAKE DATA. EARTHQUAKES OF 
THIS SIZE ARE KNOWN TO GENERATE DANGEROUS TSUNAMIS. AS MORE 
INFORMATION BECOMES AVAILABLE THE WARNING AREAS WILL BE REFINED.

THIS MESSAGE WILL BE UPDATED IN 30 MINUTES OR SOONER IF
THE SITUATION WARRANTS. THE TSUNAMI MESSAGE WILL REMAIN IN EFFECT
UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE
WCATWC.ARH.NOAA.GOV FOR MORE INFORMATION.

AKZ185-187-021159-
/O.NEW.PAAQ.TS.W.0021.110902T1059Z-000000T0000Z/
COASTAL AREAS BETWEEN AND INCLUDING UNIMAK PASS ALASKA/80
MILES NE OF DUTCH HARBOR/ TO AMCHITKA PASS ALASKA/125 MILES
W OF ADAK/
259 AM AKDT FRI SEP 2 2011

...A TSUNAMI WARNING IS NOW IN EFFECT WHICH INCLUDES THE
   COASTAL AREAS OF ALASKA FROM UNIMAK PASS ALASKA/80 MILES NE
   OF DUTCH HARBOR/ TO AMCHITKA PASS ALASKA/125 MILES W OF
   ADAK/...

PERSONS IN TSUNAMI WARNING COASTAL AREAS SHOULD MOVE INLAND TO
HIGHER GROUND.

TSUNAMI WARNINGS MEAN THAT A TSUNAMI WITH SIGNIFICANT WIDESPREAD
INUNDATION IS IMMINENT... EXPECTED OR OCCURRING.  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.

ADAK-AK          0352 AKDT SEP 2  DUTCH HARBOR-AK  0412 AKDT SEP 2

FOR ARRIVAL TIMES AT ADDITIONAL LOCATIONS SEE
WCATWC.ARH.NOAA.GOV

$$
2 follow-up statements
435 
WEPA41 PAAQ 021136
TSUWCA

BULLETIN
TSUNAMI MESSAGE NUMBER 2
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
336 AM AKDT FRI SEP 2 2011

THIS MESSAGE IS A REPEAT OF MESSAGE 1.  SEA LEVEL DATA
WILL BE AVAILABLE BY 1145UTC.

...THE TSUNAMI WARNING CONTINUES IN EFFECT FOR THE COASTAL
   AREAS OF ALASKA FROM UNIMAK PASS ALASKA/80 MILES NE OF
   DUTCH HARBOR/ TO AMCHITKA PASS ALASKA/125 MILES W OF
   ADAK/...

...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF
   CALIFORNIA - OREGON - WASHINGTON - BRITISH COLUMBIA AND
   ALASKA FROM THE CALIFORNIA-MEXICO BORDER TO UNIMAK PASS
   ALASKA/80 MILES NE OF DUTCH HARBOR/...

...THIS MESSAGE IS INFORMATION ONLY FOR COASTAL AREAS OF
   ALASKA FROM AMCHITKA PASS ALASKA/125 MILES W OF ADAK/ TO
   ATTU ALASKA...

RECOMMENDED ACTIONS
 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.

PRELIMINARY EARTHQUAKE PARAMETERS
 MAGNITUDE - 7.1
 TIME      - 0256 AKDT SEP 02 2011
             0356  PDT SEP 02 2011
             1056  UTC SEP 02 2011
 LOCATION  - 51.8 NORTH 171.4 WEST
              45 MILES/72 KM SE OF AMUKTA PASS ALASKA
             225 MILES/362 KM E OF ADAK ALASKA
 DEPTH     - 24 MILES/39 KM

TSUNAMI WARNINGS MEAN THAT A TSUNAMI WITH SIGNIFICANT WIDESPREAD
INUNDATION IS IMMINENT... EXPECTED OR OCURRING.  WARNINGS INDICATE
THAT WIDESPREAD DANGEROUS COASTAL FLOODING ACCOMPANIED BY POWERFUL
CURRENTS IS POSSIBLE 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 IS BASED MAINLY ON EARTHQUAKE DATA. EARTHQUAKES OF 
THIS SIZE ARE KNOWN TO GENERATE DANGEROUS TSUNAMIS. AS MORE 
INFORMATION BECOMES AVAILABLE THE WARNING AREAS WILL BE REFINED.

THIS MESSAGE WILL BE UPDATED IN 30 MINUTES OR SOONER IF
THE SITUATION WARRANTS. THE TSUNAMI MESSAGE WILL REMAIN IN EFFECT
UNTIL FURTHER NOTICE. REFER TO THE INTERNET SITE
WCATWC.ARH.NOAA.GOV FOR MORE INFORMATION.

AKZ185-187-021236-
/O.CON.PAAQ.TS.W.0021.000000T0000Z-000000T0000Z/
COASTAL AREAS BETWEEN AND INCLUDING UNIMAK PASS ALASKA/80
MILES NE OF DUTCH HARBOR/ TO AMCHITKA PASS ALASKA/125 MILES
W OF ADAK/
336 AM AKDT FRI SEP 2 2011

...THE TSUNAMI WARNING CONTINUES IN EFFECT FOR THE COASTAL
   AREAS OF ALASKA FROM UNIMAK PASS ALASKA/80 MILES NE OF
   DUTCH HARBOR/ TO AMCHITKA PASS ALASKA/125 MILES W OF
   ADAK/...

PERSONS IN TSUNAMI WARNING COASTAL AREAS SHOULD MOVE INLAND TO
HIGHER GROUND.

TSUNAMI WARNINGS MEAN THAT A TSUNAMI WITH SIGNIFICANT WIDESPREAD
INUNDATION IS IMMINENT... EXPECTED OR OCCURRING.  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.

ADAK-AK          0352 AKDT SEP 2  DUTCH HARBOR-AK  0412 AKDT SEP 2

FOR ARRIVAL TIMES AT ADDITIONAL LOCATIONS SEE
WCATWC.ARH.NOAA.GOV

$$
272 
WEPA41 PAAQ 021157
TSUWCA

BULLETIN
TSUNAMI MESSAGE NUMBER 3
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
357 AM AKDT FRI SEP 2 2011

...THE TSUNAMI WARNING IS CANCELED FOR THE COASTAL AREAS OF
   ALASKA FROM UNIMAK PASS ALASKA/80 MILES NE OF DUTCH HARBOR/
   TO AMCHITKA PASS ALASKA/125 MILES W OF ADAK/...

EVALUATION
 NO DESTRUCTIVE TSUNAMI HAS BEEN RECORDED. NO TSUNAMI DANGER
 EXISTS FOR ALASKA/ BRITISH COLUMBIA/ WASHINGTON/ OREGON OR 
 CALIFORNIA. LOCAL AUTHORITIES CAN ASSUME ALL CLEAR UPON 
 RECEIPT OF THIS MESSAGE.

PRELIMINARY EARTHQUAKE PARAMETERS
 MAGNITUDE - 7.1
 TIME      - 0256 AKDT SEP 02 2011
             0356  PDT SEP 02 2011
             1056  UTC SEP 02 2011
 LOCATION  - 51.8 NORTH 171.4 WEST
              45 MILES/72 KM SE OF AMUKTA PASS ALASKA
             225 MILES/362 KM E OF ADAK ALASKA
 DEPTH     - 24 MILES/39 KM

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 WILL BE THE LAST WEST COAST/ALASKA TSUNAMI WARNING CENTER
MESSAGE ISSUED FOR THIS EVENT.  THIS INFORMATION IS ALSO POSTED
AT WCATWC.ARH.NOAA.GOV.

AKZ185-187-021357-
/O.CAN.PAAQ.TS.W.0021.000000T0000Z-000000T0000Z/
COASTAL AREAS BETWEEN AND INCLUDING UNIMAK PASS ALASKA/80
MILES NE OF DUTCH HARBOR/ TO AMCHITKA PASS ALASKA/125 MILES
W OF ADAK/
357 AM AKDT FRI SEP 2 2011

...THE TSUNAMI WARNING IS CANCELED FOR THE COASTAL AREAS OF
   ALASKA FROM UNIMAK PASS ALASKA/80 MILES NE OF DUTCH HARBOR/
   TO AMCHITKA PASS ALASKA/125 MILES W OF ADAK/...

$$

Nearby

Tsunami Warnings in Alaska, 2011Every tsunami warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.