The region bordering the polar region, between 50° and 70° North and South latitude. This is generally an area of semi-permanent low pressure that exists and where the Aleutian and Icelandic Lows may be found. However, a dome of high pressure may form over the cold continental surfaces during the winter, for example, the North American High and the Siberian High.
SUBPOLAR
Meaning of SUBPOLAR in English
Weather and meteorology English vocabulary. Английский словарь погоды и метеорологии . 2012