Thanks Roger. Do you have any preferred links to the Eastern Pacific  
Oscillation and/or any that highlight overlapping centers of  
action/influence?

Best
Lesley-Ann

Quoting "Roger R. Hill" <[log in to unmask]>:

> Francis/Vavrus2012 mostly cited - but I also think the Eastern  
> Pacific Oscillation has had more to do with it last month with the  
> AO/NAO very +
>
>
> Happy New Year to all
>
> -----Original Message-----
> From: Climate & Meterology in Vermont  
> [mailto:[log in to unmask]] On Behalf Of Lesley-Ann Dupigny-Giroux
> Sent: Tuesday, January 07, 2014 12:41 PM
> To: [log in to unmask]
> Subject: Polar vortex
>
> Happy New Year everyone!!!
>
> With the polar vortex being at the top of the news, I thought this  
> article might be most a propos.
>
> Best
> Lesley-Ann
>
> <http://www.washingtonpost.com/blogs/capital-weather-gang/wp/2013/12/24/arctic-warming-jet-stream-coupling-may-portend-another-winter-of-extreme-storms-and-cold-air-outbreaks/>
> --
>
> * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
>
>          Lesley-Ann L. Dupigny-Giroux, Ph.D.
>       Associate Professor & VT State Climatologist
>                  University of Vermont
>                 Department of Geography
>                    200 Old Mill Building
>                     94 University Place
>             Burlington, Vermont 05405-0114
>                          U.S.A.
>
>    (802) 656-2146 (phone)  (802) 656-3042  (facsimile)
>
>              http://www.uvm.edu/~vtstclim
>              http://www.uvm.edu/~dclimnet
>               http://www.uvm.edu/~swac
>      http://www.uvm.edu/~geograph/?Page=Dupigny-Giroux.php
>   http://www.geospatialcareers.net/people/dupigny_giroux.html
> http://www.vermontwoman.com/articles/0412/climatologist.shtml
>   * * * * * * * * * * * * * * * * * * * * * * * * * * * * ******
>
>
> ---
> This email is free from viruses and malware because avast! Antivirus  
> protection is active.
> http://www.avast.com

-- 

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

         Lesley-Ann L. Dupigny-Giroux, Ph.D.
      Associate Professor & VT State Climatologist
                 University of Vermont
                Department of Geography
                   200 Old Mill Building
                    94 University Place
            Burlington, Vermont 05405-0114
                         U.S.A.

   (802) 656-2146 (phone)  (802) 656-3042  (facsimile)

             http://www.uvm.edu/~vtstclim
             http://www.uvm.edu/~dclimnet
              http://www.uvm.edu/~swac
     http://www.uvm.edu/~geograph/?Page=Dupigny-Giroux.php
  http://www.geospatialcareers.net/people/dupigny_giroux.html
http://www.vermontwoman.com/articles/0412/climatologist.shtml
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * ******