Lagged correlations between the NAO and the 11-year solar cycle: forced response or internal variability?

Jessica Oehrlein1, Gabriel Chiodo1, Lorenzo M Polvani2 and Anne K Smith3, (1)Columbia University of New York, Palisades, NY, United States, (2)Columbia University, New York, NY, United States, (3)National Center for Atmospheric Research, Boulder, CO, United States