It is found on large landmasses , away from the moderating effects of an ocean , generally at latitudes from 50 ° to 70 ° N poleward of the humid continental climates .
It is found on large landmasses , away from the moderating effects of an ocean , generally at latitudes from 50 ° to 70 ° N. Due to the absence of any large landmasses at such latitudes , it is not found in the Southern Hemisphere .