Polar Air

polar air

[′pō·lər ′er]
(meteorology)
A type of air whose characteristics are developed over high latitudes; there are two types: continental polar air and maritime polar air.

Polar Air

 

air masses formed outside of the earth’s tropical latitudes. The term “polar air” is often used to refer only to mid-latitude air masses; air masses formed at higher latitudes are called arctic air.

References in periodicals archive ?
and Titan Aviation Holdings, Inc., and is the majority shareholder of Polar Air Cargo Worldwide, Inc.
and Polar Air Cargo Worldwide, subsidiaries of Atlas Air Worldwide Holdings, said that the U.S.
The blast of polar air that has hit much of the Midwest closed schools and businesses, caused power blackouts, snapped rail lines and led to the cancellation of thousands of flights.
A blast of polar air enveloped much of the Midwest on Wednesday, cracking train rails, breaking water pipes and straining electrical systems with some of the lowest temperatures in a generation.
Meteorologist Bonnie Diamond explained the cold polar air from the northwest will switch to a colder Arctic airflow from the north.
Met Office forecaster Steven Keates said: "The UK turns colder due to polar air from Tuesday night.
Winds turn to the north from Thursday, bringing cold polar air and much cooler temperatures across all parts by the weekend.
Bitterly cold polar air is expected to trigger a cool period across Britain during the end of March into April.
The recent cold snap is being controlled by a huge polar air mass from northern Canada which is expected to be a major influence for some time.