Data to reproduce the figures in Bischof et al. 2023: "The role of the North Atlantic for heat wave characteristics in Europe, an ECHAM6 study" submitted to GRL in July 2023. Modelling experiments are based on the FOCI model using ECHAM6 in an AMIP-like setup to carry out time slice experiments using 2018 background conditions in the atmosphere and on land (both following the SSP5-8.5 scenario) as well as in the ocean (daily forcing data based on ERA5). A sensitivity experiment without the cold SST anomaly in the subpolar North Atlantic that was observed in 2018 is also carried out. COLD-SH009 refers to the 2018 experiment using 2018 SSTs as observed, NEUTRAL-RP006 refers to the experiment with altered SSTs in the North Atlantic region only. Details on the method and model setup can be found in the associated publication.