Recent amplification of the North American Winter Temperature Dipole

Deepti Singh1, Daniel L Swain2, Justin S Mankin3, Daniel E Horton4, Leif N Thomas5, Bala Rajaratnam5 and Noah S Diffenbaugh6, (1)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (2)Stanford University, Earth System Science, Stanford, CA, United States, (3)Columbia University of New York, Palisades, NY, United States, (4)Northwestern University, Earth & Planetary Science, Evanston, IL, United States, (5)Stanford University, Stanford, CA, United States, (6)Stanford University, Earth System Science and Woods Institute for the Environment, Stanford, United States