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The PDO "Pacific Decadal Oscillation", and the West ..


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With checking, I've found that the most recent thread initiated dedicated to the PDO had in fact been in the main section for the West, at the old Forum. 
 
http://theweatherforums.com/archive/index.php?/topic/32408-attention-pdo-lovers/
 
Certainly a theme more noteworthy, and so worthly of more specific discussion.
 
And so with this I've started this one here. .. With it more specifically, toward the idea of cross-linking to some discussion currently going on at this point in the main general thread for the West for May. 
 
Having begun about here ...
 
http://theweatherforums.com/index.php/topic/862-may-2015-in-the-pacific-northwest/?p=77213

And having moved to forward several posts within the general thread, following it.

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.. From that discussion.
 

Of more general note here, .. I regard the effect looked at more basically, as one being due in large put to the degree of consolidation (i.e. general wealth or depth, in this case.) of main (more primary.) cold storage through the higher latitudes more upstream of its main region of focus.
 
Basically, working to influence main ocean-waters' circulating, temperatures downward to whatever extent.

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Home made PDO chart going back to 1854

 

http://s30.postimg.org/y6mmh7bht/screenshot_12.png

Nice work.

 

Hot dang was it negative in the late 19th century.

 

But that was interspersed with huge positive spikes.

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Like I'd said about what I'm seeing within the chart that Chris has tacked in above, verbatim of what I had with his having tacked it in over in the general thread, ..  

 

.. If more clearly showing the (what is it) 40 year or so cycle of change more main, I'm also seeing the possibility of there being an additional cycle of more narrowed time-frame.

 

And then with this, I can't help but to also add that, ...

 

.. I think it had been "Front Ranger", over in the general thread also, that had pointed to the reliability [factor], where considering this gage back very far beyond forty years or soI think he'd said.

 

edit: ... Nope, .. more ".. from the early (earlier.) part of the 20th century."

 

http://theweatherforums.com/index.php/topic/862-may-2015-in-the-pacific-northwest/page-2?do=findComment&comment=77283

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  • 2 weeks later...

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http://www.jisao.washington.edu/   The Joint Institute for the Study of the Atmosphere and Ocean, at the UofW.
http://research.jisao.washington.edu/pdo/

http://www.ospo.noaa.gov/Products/ocean/sst/anomaly/    Sea-Surface Temp. Anomalies Full Global 
http://www.ospo.noaa.gov/Products/ocean/sst/anomaly/anim full.html

http://www.ospo.noaa.gov/Products/ocean/sst/50km night/index.html    Actual Sea-Surface Temperatures Full Global 
http://www.ospo.noaa.gov/Products/ocean/sst/50km night/anim full.html

http://coastwatch.pfeg.noaa.gov/data.html   @   (10°C, 50°F.)   Actual Surface Temperatures nearer the greater Coast
http://coastwatch.pfeg.noaa.gov/
 

http://coastwatch.pfeg.noaa.gov/coastwatch/CWBrowser.jsp   The older Browser. In some ways better.

(Adjust the date.)

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