Winds are masses of air in natural motion.  Invisible in nature, they’re depicted in art as a human heads issuant from cloud, usually shown visibly blowing air from their mouths.  Frequently depicted in period art (e.g., on maps), we know of a single example in period armory, in the canting arms of de Zeffiro, c.1550 [BSB Cod.Icon 268:233].

In Society blazon, the generic wind may also be called an “aeolus”.  Other types of wind include the “boreas”, an icy-bearded old man; the “zephyr”, an androgynous youth; and the female “mistral”.  Winds face dexter by default, and should be shown in profile (though some are affronty); they should never be in trian aspect.  For related charges, see head (human).

The Canton of Elvegast bears:  Per chevron azure and vert, in chief two aeoli with breaths conjoined at fess point argent, in base a laurel wreath Or.

Mistral de L’Isle sur Tarn bears:  Per fess wavy vert and azure, issuant from chief a mistral and from base four piles wavy inverted conjoined at the fess point argent.

Cassandra de la Mistral bears:  Azure, a boreas affronty argent.

Æsa Þorarinsdottir bears:  Azure, a zephyr argent and a bordure rayonny Or.