I don't know about the Atlantic, but the Pacific switched from El Nino to La Nina conditions in June 07 - that's why we've got floods in Austalia rather that droughts.
Our droughts tend to end with floods. Not necessarily anything to do with climate change, our climate has always tended to swing to extremes.

Quite likely there is some sort of linkage to the Atlantic.

Here's a link where you can track thermohaline circulation in the Atlantic:

http://rads.tudelft.nl/gulfstream/

Just provides data, no analysis.