| Term: | Polar invasion |
| Definition: |
A vigorous thrust of polar air behind a polar front. AMSglossary
A movement of a polar air mass into middle latitudes. syn. polar outbreak WMOMeteoterm GCW |
| Term: | Polar invasion |
| Definition: | A vigorous thrust of polar air behind a polar front. |
| Term: | Polar invasion |
| Definition: | A movement of a polar air mass into middle latitudes. syn. polar outbreak |