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Additionally, models have difficulties simulating explosive cyclone growth. These biases are one of the reasons for the uncertainties in projections of future climate over Europe, and the underlying causes have yet to be determined. All three biases are shown to be related, and diabatic processes are pointed to as a likely cause. To demonstrate this, two hemispherically symmetric storm tracks forming downstream of an idealized sea surface temperature (SST) front on an aquaplanet are examined using the seamless ICOsahedral Non\u2010hydrostatic weather and climate model (ICON) and its grid refinement capabilities. The analyzed perpetual boreal winter has a global grid spacing of 20\u00a0km, two bi\u2010directionally interacting grid nests over the Northern Hemisphere that refine the grid to 10\u2010km spacing over much of the stormtrack and further to 5\u2010km spacing near the SST front. In contrast, no grid refinement is performed for the Southern Hemisphere. Feature\u2010based cyclone tracking shows that the poleward propagation in the NH is enhanced, so the high\u2010resolution storm track is less equatorward and less zonal; explosive deepening rates are more frequent and precipitation rates are amplified. The implication is that resolving diabatic processes on the storm scale improves all three intersecting biases in the representation of storm tracks. While new challenges arise at cloud resolving scales, much improvement for the representation of storm tracks will be gained once climate models resolve the meso\u2010<jats:italic>\u03b3<\/jats:italic> scale.<\/jats:p>","DOI":"10.1029\/2022ms003482","type":"journal-article","created":{"date-parts":[[2023,1,24]],"date-time":"2023-01-24T07:58:35Z","timestamp":1674547115000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":34,"title":["Toward Eliminating the Decades\u2010Old \u201cToo Zonal and Too Equatorward\u201d Storm\u2010Track Bias in Climate Models"],"prefix":"10.1029","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1601-5683","authenticated-orcid":false,"given":"Sebastian","family":"Schemm","sequence":"first","affiliation":[{"name":"Institute for Atmospheric and Climate Science ETH Zurich  Zurich 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