cold dome

cold dome

[′kōld ‚dōm]
(meteorology)
A cold air mass, considered as a three-dimensional entity.
References in periodicals archive ?
Air is forced to rise as it encounters the cold dome, and if there's sufficient relative humidity, clouds and precipitation develop.
This creates a permanent cold dome in the arctic regions, and like air flowing out of a refrigerator, the air is dense and flows outward in all directions.
If that is the case, low ceilings can hang around for days at a time as warm tropical air attempts to ride over the top of these shallow "cold domes" and condenses into cloud material.