<p>The leading mode of sea surface temperature over the North Atlantic is characterized by a tripole pattern that encompasses the tropical, midlatitude, and subpolar regions. Although this North Atlantic tripole SST (NAT) pattern exerts a substantial climatic influence, the robust interconnectivity among the three poles often obscures their intrinsic behaviors and unique dynamic origins. This study aims to disentangle the independent component of each pole of the NAT and to thoroughly investigate their individual dynamic origins and resulting climate impacts.</p><p>While the independent components of each pole remain large portions of the original variances with correlations exceeding 0.78, their periodicities exhibit notable changes. The independent component of the southern pole of the NAT (NAT_S_ip) is predominantly driven by ENSO-related convection anomalies in eastern Pacific, which induce a Pacific–North America teleconnection. The independent component of the central pole (NAT_C_ip) is primarily influenced by North Atlantic Oscillation through the wind-evaporation-SST feedback mechanism. The independent component of the northern pole (NAT_N_ip) emerges from the combined effects of ENSO and the Atlantic Multidecadal Oscillation, which operate through surface heat fluxes exchanges and oceanic processes.</p><p>The independent components of each pole of the NAT induce distinct surface air temperature (SAT) anomalies across the Northern Hemisphere. NAT_S_ip is associated with widespread SAT warming throughout the tropics and over Alaska. NAT_C_ip corresponds to significant cooling over midlatitude North America and Eurasia. NAT_N_ip is linked to a zonal dipole SAT anomaly pattern in North America and SAT warming in central Asia. This study underscores the independence of each pole of the NAT, thereby enhancing our understanding of the dynamic origins of the NAT and its associated climatic impacts.</p>