# AIR MASSES AND FRONTS - THE WARM FRONT

Department of Defense PIN 27503 AIR MASSES AND FRONTS - THE WARM FRONT DISCUSSES HAZARDS OF THE WARM FRONT AND SHOWS HOW IT FORMS. COVERS NIMBO STRATUS AND STRATUS CLOUD DECKS, SUMMER AND WINTER PATTERNS, AREAS OF INSTABILITY AND STRUCTURAL ICE.

- Kind: Educational
- Year: 1962
- By: Department of Defense
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.dod.dimoc.27503)
- Licence or status: [CC0 1.0](http://creativecommons.org/publicdomain/zero/1.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

Not offered: its uploader marks it public domain, and the US Copyright Office's records do not settle that it is (a record that may be another film's, a film first published abroad, a year when renewal was automatic, or a country they do not name). Unclear is not offered.