NAO forecasts: are there any out there?

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MiamiensisWx

NAO forecasts: are there any out there?

#1 Postby MiamiensisWx » Tue May 16, 2006 7:03 pm

Are there any outlooks or forecasts for the NAO this year out there? If so, can anyone show me a link to it? Thanks!
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Aquawind
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#2 Postby Aquawind » Tue May 16, 2006 8:37 pm

http://www.metoffice.gov.uk/research/se ... index.html

http://www.cpc.ncep.noaa.gov/products/p ... _ensm.html
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MiamiensisWx

#3 Postby MiamiensisWx » Tue May 16, 2006 8:48 pm

Are there any that forecast NAO several weeks out ahead from now?
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#4 Postby Aquawind » Tue May 16, 2006 8:58 pm

http://forecast.mssl.ucl.ac.uk/

I don't see much for the summer months..
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#5 Postby wxman57 » Wed May 17, 2006 5:05 pm

CapeVerdeWave wrote:Are there any that forecast NAO several weeks out ahead from now?


NCEP's site forecasts out to 14 days, but as you can see, it isn't verifying very well. It's been forecasting a negagive NAO and the NAO remains significantly positive:

http://www.cpc.ncep.noaa.gov/products/p ... _ensm.html
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#6 Postby MiamiensisWx » Wed May 17, 2006 5:06 pm

Oh... I thought that a negative NAO results in more Greenland/Canada ridging and eastern U.S. troughiness like we are seeing now, wxman57! Am I correct?
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CHRISTY

#7 Postby CHRISTY » Wed May 17, 2006 5:07 pm

wxman57 wrote:
CapeVerdeWave wrote:Are there any that forecast NAO several weeks out ahead from now?


NCEP's site forecasts out to 14 days, but as you can see, it isn't verifying very well. It's been forecasting a negagive NAO and the NAO remains significantly positive:

http://www.cpc.ncep.noaa.gov/products/p ... _ensm.html


question doesn't a positve NAO mean we might have a strong ridge.
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#8 Postby wxmann_91 » Wed May 17, 2006 5:43 pm

Actually, as of May 15, the NAO is still negative.

Image

This image is not auto-updating, BTW.
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#9 Postby wxmann_91 » Wed May 17, 2006 5:44 pm

CHRISTY wrote:
wxman57 wrote:
CapeVerdeWave wrote:Are there any that forecast NAO several weeks out ahead from now?


NCEP's site forecasts out to 14 days, but as you can see, it isn't verifying very well. It's been forecasting a negagive NAO and the NAO remains significantly positive:

http://www.cpc.ncep.noaa.gov/products/p ... _ensm.html


question doesn't a positve NAO mean we might have a strong ridge.


yes, over Greenland

here's the source of the above image

http://www.cdc.noaa.gov/map/wx/indices.shtml
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