polar continental air

polar continental air

[′pō·lər ‚kant·ən′ent·əl ′er]
(meteorology)
Air of an air mass that originates over land or frozen ocean areas in the polar regions; characterized by low temperature, stability, low specific humidity, and shallow vertical extent.
References in periodicals archive ?
Polar continental air affects the British Isles when pressure is high over Scandinavia, with surface winds from an easterly direction.
This is when polar continental air affects the British Isles whilst pressure is high over Scandinavia, with surface winds coming from an easterly direction.