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Old 11-03-2011, 04:34   #16
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Re: Earthquake and Tsunami in Northeast Japan

Good luck to all in harm's way.

Tsunami Warning & Advisory Messages

http://www.weather.gov/ptwc/?region=0

Tsunami message from WCATWC
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Old 11-03-2011, 04:57   #17
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Re: Earthquake and Tsunami in Northeast Japan

Predicted Tsunami Wave Amplitude
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Old 11-03-2011, 05:35   #18
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Re: Earthquake and Tsunami in Northeast Japan

Here's the warning statement for Hawaii. I think the key thing for those in harm's way to know is that a tsunami isn't like a regular wave. It's a surging increase in sea level that lasts for 5 to 15 minutes, followed by a recession of the water level, and it can go on like that for hours. Our daughter lives in Kailua, Oahu, across the road from the beach. She's evacuated to higher ground.

A TSUNAMI HAS BEEN GENERATED THAT COULD CAUSE DAMAGE ALONG
COASTLINES OF ALL ISLANDS IN THE STATE OF HAWAII. URGENT ACTION
SHOULD BE TAKEN TO PROTECT LIVES AND PROPERTY.
A TSUNAMI IS A SERIES OF LONG OCEAN WAVES. EACH INDIVIDUAL WAVE
CREST CAN LAST 5 TO 15 MINUTES OR MORE AND EXTENSIVELY FLOOD
COASTAL AREAS. THE DANGER CAN CONTINUE FOR MANY HOURS AFTER THE
INITIAL WAVE AS SUBSEQUENT WAVES ARRIVE. TSUNAMI WAVE HEIGHTS
CANNOT BE PREDICTED AND THE FIRST WAVE MAY NOT BE THE LARGEST.
TSUNAMI WAVES EFFICIENTLY WRAP AROUND ISLANDS. ALL SHORES ARE AT
RISK NO MATTER WHICH DIRECTION THEY FACE. THE TROUGH OF A TSUNAMI
WAVE MAY TEMPORARILY EXPOSE THE SEAFLOOR BUT THE AREA WILL
QUICKLY FLOOD AGAIN. EXTREMELY STRONG AND UNUSUAL NEARSHORE
CURRENTS CAN ACCOMPANY A TSUNAMI. DEBRIS PICKED UP AND CARRIED
BY A TSUNAMI AMPLIFIES ITS DESTRUCTIVE POWER. SIMULTANEOUS HIGH
TIDES OR HIGH SURF CAN SIGNIFICANTLY INCREASE THE TSUNAMI HAZARD.
THE ESTIMATED ARRIVAL TIME IN HAWAII OF THE FIRST TSUNAMI WAVE IS
0307 AM HST FRI 11 MAR 2011
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Old 11-03-2011, 05:37   #19
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Re: Earthquake and Tsunami in Northeast Japan

Quote:
Originally Posted by Hud3 View Post
Here's the warning statement for Hawaii. I think the key thing for those in harm's way to know is that a tsunami isn't like a regular wave. It's a surging increase in sea level that lasts for 5 to 15 minutes, followed by a recession of the water level, and it can go on like that for hours. Our daughter lives in Kailua, Oahu, across the road from the beach. She's evacuated to higher ground.

A TSUNAMI HAS BEEN GENERATED THAT COULD CAUSE DAMAGE ALONG
COASTLINES OF ALL ISLANDS IN THE STATE OF HAWAII. URGENT ACTION
SHOULD BE TAKEN TO PROTECT LIVES AND PROPERTY.
A TSUNAMI IS A SERIES OF LONG OCEAN WAVES. EACH INDIVIDUAL WAVE
CREST CAN LAST 5 TO 15 MINUTES OR MORE AND EXTENSIVELY FLOOD
COASTAL AREAS. THE DANGER CAN CONTINUE FOR MANY HOURS AFTER THE
INITIAL WAVE AS SUBSEQUENT WAVES ARRIVE. TSUNAMI WAVE HEIGHTS
CANNOT BE PREDICTED AND THE FIRST WAVE MAY NOT BE THE LARGEST.
TSUNAMI WAVES EFFICIENTLY WRAP AROUND ISLANDS. ALL SHORES ARE AT
RISK NO MATTER WHICH DIRECTION THEY FACE. THE TROUGH OF A TSUNAMI
WAVE MAY TEMPORARILY EXPOSE THE SEAFLOOR BUT THE AREA WILL
QUICKLY FLOOD AGAIN. EXTREMELY STRONG AND UNUSUAL NEARSHORE
CURRENTS CAN ACCOMPANY A TSUNAMI. DEBRIS PICKED UP AND CARRIED
BY A TSUNAMI AMPLIFIES ITS DESTRUCTIVE POWER. SIMULTANEOUS HIGH
TIDES OR HIGH SURF CAN SIGNIFICANTLY INCREASE THE TSUNAMI HAZARD.
THE ESTIMATED ARRIVAL TIME IN HAWAII OF THE FIRST TSUNAMI WAVE IS
0307 AM HST FRI 11 MAR 2011
According to a report on the BBC the wave is expected to arrive within the hour at Hawaii.
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Old 11-03-2011, 06:03   #20
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Re: Earthquake and Tsunami in Northeast Japan

Can anybody tell me whether tsunami in the open sea is safer than next to the shore?
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Old 11-03-2011, 06:05   #21
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Re: Earthquake and Tsunami in Northeast Japan

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Can anybody tell me whether tsunami in the open sea is safer than next to the shore?
Definitely safer at sea, if you are in 600 feet or more then you will be safe
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Old 11-03-2011, 06:09   #22
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Re: Earthquake and Tsunami in Northeast Japan

Quote:
Originally Posted by Ruzanna View Post
Can anybody tell me whether tsunami in the open sea is safer than next to the shore?
A tsunami is not dangerous in deep water away from the shore.
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Old 11-03-2011, 06:14   #23
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Re: Earthquake and Tsunami in Northeast Japan

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A tsunami is not dangerous in deep water away from the shore.
Thank you Dockhead and Mav. This is a great relief, because the yacht ARMENIA is between Easter and Tubuai islands. May God help those on the sea and affected areas!
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Old 11-03-2011, 06:22   #24
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Re: Earthquake and Tsunami in Northeast Japan

Quote:
Originally Posted by Ruzanna View Post
Can anybody tell me whether tsunami in the open sea is safer than next to the shore?
YES- absolutely safer in open water than near shore (shallow water).
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Old 11-03-2011, 06:23   #25
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Re: Earthquake and Tsunami in Northeast Japan

Quote:
Originally Posted by Ruzanna View Post
Thank you Dockhead and Mav. This is a great relief, because the yacht ARMENIA is between Easter and Tubuai islands. May God help those on the sea and affected areas!
If the yacht is far out to sea, the crew might not even notice the tsunami.
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Old 11-03-2011, 06:43   #26
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Re: Earthquake and Tsunami in Northeast Japan

Twenty minutes after the time of arrival on Oahu, radio reports from the island are describing the tsunami event as a "subtle rise in water level", and a "surging in and out along the shore" as the leading edge passed through the islands. No damage or other issues at this point.
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Old 11-03-2011, 06:51   #27
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Re: Earthquake and Tsunami in Northeast Japan

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Originally Posted by MikeinLA View Post
They're talking about a potential 3-5 foot surge on the West Coast. Should I be concerned about my boat which is docked in Marina del Rey? I'm in the fairway farthest from the breakwater.

Mike
If you can get to it, take your boat to sea. Have someone drop you off at the Marina or leave your car in the parking structure at LAX and take a cab to the marina if possible. A car left at the Marina might itself be destroyed. Get into the deepest water you can reach.
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Old 11-03-2011, 06:52   #28
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Re: Earthquake and Tsunami in Northeast Japan

Prayers for my friends in Japan. I have taken my band on tour there twice. Very nice people.
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Old 11-03-2011, 07:24   #29
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Re: Earthquake and Tsunami in Northeast Japan

Hope somebody wakes up Zeehag.
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Old 11-03-2011, 07:34   #30
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Sunami

Well, what the heck, even though the network news shows are forecasting hellfire and damnation for teh West Coast this morning; I think I'll still take my flight out to see what's left of Seattle and Whidbey Island tomorrow.
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