Oregon & California under a TSUNAMI WARNING
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By KATU News
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Summary
UPDATE: Oregon and California coasts under a TSUMANI WARNING, according to the Alaska Tsumani Warning Center.
Story Published: Mar 10, 2011 at 11:49 PM PST
Story Updated: Mar 11, 2011 at 3:09 AM PST
Graphic courtesy MGN Online.
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EVACUATION ROUTES -- can be found here.
Seaside police: Residents in Seaside should evacuate in tsunami warning areas, all beaches, low-lying areas, rivers, tidelands.
Tillamook County will begin tsunami warning sirens at 3 a.m. Again at 4 a.m. and 5 a.m.
Three to 4.5-foot wave expected at 7:15 p.m. along the county's coast. Officials in Tillamook County will be asking people to move to higher ground.
Oregon and California Coasts NOW UNDER A TSUMANI WARNING, according to the Alaska Tsumani Warning Center. ONE TO 4 1/2 FOOT WAVES possible on coast, according to West Coast and Alaska Tsumani Warning Center. Washington is under a tsunami advisory.
Clatsop spit area (Astoria area) is predicted to be hardest hit with a wave at about 3 to 4.5 foot high.
Southwest Washington Coast wave is predicted to be about 1.3 feet high.
Huang says counties will need to notify residents of what to do.
COASTAL COMMUNITIES SHOULD BE ON ALERT AND PREPARE FOR POSSIBLE EVACUATIONS.
Your county officials are responsible for issuing evacuation orders.
According to NWS in Medford: "A tsunami has been generated which is expected to cause damage to the Oregon and Northern California Coasts. Persons in low lying coastal areas should be alert to instructions from their local emergency officials. Evacuations are only ordered by emergency response agencies."
Sheriff Todd Anderson with Tillamook County said at about 1:30 a.m. that county residents should prepare themselves if an evacuation order is given. County is keeping tabs on wave modeling and will issue a reverse 9-1-1 call if evacuation order is given.
First wave is expected to hit Astoria, Ore. at about 7:12 a.m. today.
EVACUATION ROUTES -- can be found here.
According to the Portland Office of Emergency Management, it is unlikely that Columbia and Willamette rivers will be affected by any tsunami if there is one.
SPECIAL WEATHER STATEMENT
BULLETIN
PUBLIC TSUNAMI MESSAGE NUMBER 6
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
205 AM PST FRI MAR 11 2011
NO NEW UPDATES SINCE LAST MESSAGE.
...A TSUNAMI WARNING IS NOW IN EFFECT WHICH INCLUDES THE
COASTAL AREAS OF CALIFORNIA AND OREGON FROM POINT
CONCEPCION CALIFORNIA TO THE OREGON-WASHINGTON BORDER...
...A TSUNAMI WARNING IS NOW IN EFFECT WHICH INCLUDES THE
COASTAL AREAS OF ALASKA FROM AMCHITKA PASS ALASKA/125 MILES
W OF ADAK/ TO ATTU ALASKA...
...THE TSUNAMI ADVISORY IS EXPANDED TO INCLUDE THE COASTAL
AREAS OF CALIFORNIA FROM THE CALIFORNIA-MEXICO BORDER TO
POINT CONCEPCION CALIFORNIA...
...THE TSUNAMI ADVISORY IS EXPANDED TO INCLUDE THE COASTAL
AREAS OF WASHINGTON - BRITISH COLUMBIA AND ALASKA FROM THE
OREGON-WASHINGTON BORDER TO CHIGNIK BAY ALASKA...
...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF ALASKA FROM CHIGNIK BAY ALASKA TO AMCHITKA PASS
ALASKA/125 MILES W OF ADAK/...
A TSUNAMI WARNING MEANS... ALL COASTAL RESIDENTS IN THE WARNING AREA WHO ARE NEAR THE BEACH OR IN LOW-LYING REGIONS SHOULD MOVE IMMEDIATELY INLAND TO HIGHER GROUND AND AWAY FROM ALL HARBORS AND INLETS INCLUDING THOSE SHELTERED DIRECTLY FROM THE SEA. THOSE FEELING THE EARTH SHAKE... SEEING UNUSUAL WAVE ACTION... OR THE WATER LEVEL RISING OR RECEDING MAY HAVE ONLY A FEW MINUTES BEFORE THE TSUNAMI ARRIVAL AND SHOULD MOVE IMMEDIATELY. HOMES AND SMALL BUILDINGS ARE NOT DESIGNED TO WITHSTAND TSUNAMI IMPACTS.
DO NOT STAY IN THESE STRUCTURES.
ALL RESIDENTS WITHIN THE WARNED AREA SHOULD BE ALERT FOR INSTRUCTIONS BROADCAST FROM THEIR LOCAL CIVIL AUTHORITIES.
A TSUNAMI HAS BEEN RECORDED.
A TSUNAMI ADVISORY MEANS 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.
AT 946 PM PACIFIC STANDARD TIME ON MARCH 10 AN EARTHQUAKE WITH PRELIMINARY MAGNITUDE 8.9 OCCURRED NEAR THE EAST COAST OF HONSHU JAPAN.
THIS EARTHQUAKE HAS GENERATED A TSUNAMI WHICH COULD CAUSE DAMAGE TO REGIONS IN A WARNING OR ADVISORY.
THE WAVES WILL FIRST REACH
SHEMYA ALASKA AT 1233 AM AKST ON MARCH 11.
ESTIMATED TSUNAMI ARRIVAL TIMES AND MAPS ALONG WITH SAFETY RULES AND OTHER INFORMATION CAN BE FOUND ON THE WEB SITE WCATWC.ARH.NOAA.GOV.
MEASUREMENTS OR REPORTS OF TSUNAMI ACTIVITY
LOCATION LAT LON TIME AMPL
------------------------ ----- ------ ------- -----------
TOSASHIMIZU JAPAN 32.8N 132.9E 0747UTC 00.9FT/00.27M
TOKAI JAPAN 33.8N 137.6E 0645UTC 00.8FT/00.25M
OFUNATO JAPAN 39.0N 141.8E 0605UTC 10.8FT/03.29M
HANASAKI JAPAN 43.3N 145.6E 0643UTC 09.3FT/02.82M
BOSO JAPAN 34.8N 140.8E 0609UTC 02.6FT/00.78M
MINAMITORISHIMA JAPAN 24.3N 154.0E 0747UTC 01.5FT/00.45M
NAHA JAPAN 26.2N 127.7E 0902UTC 00.7FT/00.20M
SAIPAN USA 15.2N 145.7E 0901UTC 02.6FT/00.79M
WAKE IS. USA 19.3N 166.6E 0918UTC 01.6FT/00.50M
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 OBSEVEED ON DEEP OCEAN BUOY
UPGRADED MAGNITUDE TO 8.8
OFUNATO 3.3 METERS/11 FT
HANASAKI 2.8 METERS/ 8.5 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.
HONOLULU (AP) - A tsunami warning has been expanded to include
parts of the western U.S. coast.
The Tsunami Warning Center in Alaska says the warning is in
effect from Point Concepcion in central California to the
Oregon-Washington border and parts of southern Alaska.
Warnings were issued for Hawaii and other parts of the Pacific
following a tsunami early Friday after a massive earthquake struck
in Japan.
Tsunami warnings are issued due to the imminent threat of a
tsunami.
(Copyright 2011 by The Associated Press. All Rights Reserved.)
25Share
By KATU News
Summary
UPDATE: Oregon and California coasts under a TSUMANI WARNING, according to the Alaska Tsumani Warning Center.
Story Published: Mar 10, 2011 at 11:49 PM PST
Story Updated: Mar 11, 2011 at 3:09 AM PST
Graphic courtesy MGN Online.Comments (20)
For fast updates follow us on Twitter.
EVACUATION ROUTES -- can be found here.
Seaside police: Residents in Seaside should evacuate in tsunami warning areas, all beaches, low-lying areas, rivers, tidelands.
Tillamook County will begin tsunami warning sirens at 3 a.m. Again at 4 a.m. and 5 a.m.
Three to 4.5-foot wave expected at 7:15 p.m. along the county's coast. Officials in Tillamook County will be asking people to move to higher ground.
Oregon and California Coasts NOW UNDER A TSUMANI WARNING, according to the Alaska Tsumani Warning Center. ONE TO 4 1/2 FOOT WAVES possible on coast, according to West Coast and Alaska Tsumani Warning Center. Washington is under a tsunami advisory.
Clatsop spit area (Astoria area) is predicted to be hardest hit with a wave at about 3 to 4.5 foot high.
Southwest Washington Coast wave is predicted to be about 1.3 feet high.
Huang says counties will need to notify residents of what to do.
COASTAL COMMUNITIES SHOULD BE ON ALERT AND PREPARE FOR POSSIBLE EVACUATIONS.
Your county officials are responsible for issuing evacuation orders.
According to NWS in Medford: "A tsunami has been generated which is expected to cause damage to the Oregon and Northern California Coasts. Persons in low lying coastal areas should be alert to instructions from their local emergency officials. Evacuations are only ordered by emergency response agencies."
Sheriff Todd Anderson with Tillamook County said at about 1:30 a.m. that county residents should prepare themselves if an evacuation order is given. County is keeping tabs on wave modeling and will issue a reverse 9-1-1 call if evacuation order is given.
- Tillamook County will send out a reverse 9-1-1 call at 3 a.m. as well as sound the Tsunami sirens.
- Clatsop County: 9-1-1 reverse system has also been activated. Emergency coordinator in the county says that 40 to 50 rescuers/firefighters are along the coastline to assist people especialy the elderly and disabled.
- Seaside schools will be closed Friday.
First wave is expected to hit Astoria, Ore. at about 7:12 a.m. today.
EVACUATION ROUTES -- can be found here.
According to the Portland Office of Emergency Management, it is unlikely that Columbia and Willamette rivers will be affected by any tsunami if there is one.
SPECIAL WEATHER STATEMENT
BULLETIN
PUBLIC TSUNAMI MESSAGE NUMBER 6
NWS WEST COAST/ALASKA TSUNAMI WARNING CENTER PALMER AK
205 AM PST FRI MAR 11 2011
NO NEW UPDATES SINCE LAST MESSAGE.
...A TSUNAMI WARNING IS NOW IN EFFECT WHICH INCLUDES THE
COASTAL AREAS OF CALIFORNIA AND OREGON FROM POINT
CONCEPCION CALIFORNIA TO THE OREGON-WASHINGTON BORDER...
...A TSUNAMI WARNING IS NOW IN EFFECT WHICH INCLUDES THE
COASTAL AREAS OF ALASKA FROM AMCHITKA PASS ALASKA/125 MILES
W OF ADAK/ TO ATTU ALASKA...
...THE TSUNAMI ADVISORY IS EXPANDED TO INCLUDE THE COASTAL
AREAS OF CALIFORNIA FROM THE CALIFORNIA-MEXICO BORDER TO
POINT CONCEPCION CALIFORNIA...
...THE TSUNAMI ADVISORY IS EXPANDED TO INCLUDE THE COASTAL
AREAS OF WASHINGTON - BRITISH COLUMBIA AND ALASKA FROM THE
OREGON-WASHINGTON BORDER TO CHIGNIK BAY ALASKA...
...THE TSUNAMI ADVISORY CONTINUES IN EFFECT FOR THE COASTAL
AREAS OF ALASKA FROM CHIGNIK BAY ALASKA TO AMCHITKA PASS
ALASKA/125 MILES W OF ADAK/...
A TSUNAMI WARNING MEANS... ALL COASTAL RESIDENTS IN THE WARNING AREA WHO ARE NEAR THE BEACH OR IN LOW-LYING REGIONS SHOULD MOVE IMMEDIATELY INLAND TO HIGHER GROUND AND AWAY FROM ALL HARBORS AND INLETS INCLUDING THOSE SHELTERED DIRECTLY FROM THE SEA. THOSE FEELING THE EARTH SHAKE... SEEING UNUSUAL WAVE ACTION... OR THE WATER LEVEL RISING OR RECEDING MAY HAVE ONLY A FEW MINUTES BEFORE THE TSUNAMI ARRIVAL AND SHOULD MOVE IMMEDIATELY. HOMES AND SMALL BUILDINGS ARE NOT DESIGNED TO WITHSTAND TSUNAMI IMPACTS.
DO NOT STAY IN THESE STRUCTURES.
ALL RESIDENTS WITHIN THE WARNED AREA SHOULD BE ALERT FOR INSTRUCTIONS BROADCAST FROM THEIR LOCAL CIVIL AUTHORITIES.
A TSUNAMI HAS BEEN RECORDED.
A TSUNAMI ADVISORY MEANS 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.
AT 946 PM PACIFIC STANDARD TIME ON MARCH 10 AN EARTHQUAKE WITH PRELIMINARY MAGNITUDE 8.9 OCCURRED NEAR THE EAST COAST OF HONSHU JAPAN.
THIS EARTHQUAKE HAS GENERATED A TSUNAMI WHICH COULD CAUSE DAMAGE TO REGIONS IN A WARNING OR ADVISORY.
THE WAVES WILL FIRST REACH
SHEMYA ALASKA AT 1233 AM AKST ON MARCH 11.
ESTIMATED TSUNAMI ARRIVAL TIMES AND MAPS ALONG WITH SAFETY RULES AND OTHER INFORMATION CAN BE FOUND ON THE WEB SITE WCATWC.ARH.NOAA.GOV.
MEASUREMENTS OR REPORTS OF TSUNAMI ACTIVITY
LOCATION LAT LON TIME AMPL
------------------------ ----- ------ ------- -----------
TOSASHIMIZU JAPAN 32.8N 132.9E 0747UTC 00.9FT/00.27M
TOKAI JAPAN 33.8N 137.6E 0645UTC 00.8FT/00.25M
OFUNATO JAPAN 39.0N 141.8E 0605UTC 10.8FT/03.29M
HANASAKI JAPAN 43.3N 145.6E 0643UTC 09.3FT/02.82M
BOSO JAPAN 34.8N 140.8E 0609UTC 02.6FT/00.78M
MINAMITORISHIMA JAPAN 24.3N 154.0E 0747UTC 01.5FT/00.45M
NAHA JAPAN 26.2N 127.7E 0902UTC 00.7FT/00.20M
SAIPAN USA 15.2N 145.7E 0901UTC 02.6FT/00.79M
WAKE IS. USA 19.3N 166.6E 0918UTC 01.6FT/00.50M
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 OBSEVEED ON DEEP OCEAN BUOY
UPGRADED MAGNITUDE TO 8.8
OFUNATO 3.3 METERS/11 FT
HANASAKI 2.8 METERS/ 8.5 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.
HONOLULU (AP) - A tsunami warning has been expanded to include
parts of the western U.S. coast.
The Tsunami Warning Center in Alaska says the warning is in
effect from Point Concepcion in central California to the
Oregon-Washington border and parts of southern Alaska.
Warnings were issued for Hawaii and other parts of the Pacific
following a tsunami early Friday after a massive earthquake struck
in Japan.
Tsunami warnings are issued due to the imminent threat of a
tsunami.
(Copyright 2011 by The Associated Press. All Rights Reserved.)
Comment