See an image that represents mixtli in the Visual Lexicon of Aztec Hieroglyphs, ed. Stephanie Wood (Eugene, Ore.: Wired Humanities, 2020-present).
cenca tlayohuac mixtica yhuan quiyauh = It was very dark because of clouds, and it rained, (central Mexico, 1612)
Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 218–219.
yn occequĩtin. yn apostollome. mixtitlan. huallaque = the other apostles came in clouds (early seventeenth century, Central Mexico)
Louise M. Burkhart, Before Guadalupe: The Virgin Mary in Early Colonial Nahuatl Literature, Institute for Mesoamerican Studies Monograph 13 (Albany: University at Albany, 2001), 103.
Nimãn omocallaquitzinno [55v] Centlamãtli. mixtli Cenca yztac. Cenca tlanextia = Then a cloud entered [55v], which was very white, very shiny (early seventeenth century, Central Mexico)
Louise M. Burkhart, Before Guadalupe: The Virgin Mary in Early Colonial Nahuatl Literature, Institute for Mesoamerican Studies Monograph 13 (Albany: University at Albany, 2001), 103.
in ye uecauh: inic nican cen Mexico: ic mitoaya: ca mixtitlan, ayauhtitlan oquizaco in Españoles: anozo aca cenca mauiztique, cenca mocuiltonoani = when the Spaniards came here, throughout Mexico it was said: Out of the clouds, out of the mists. It was also said about those who were highly esteemed and very rich.
Thelma D. Sullivan, "Nahuatl Proverbs, Conundrums, and Metaphors, Collected by Sahagún," Estudios de Cultura Náhuatl 4 (1963), 144–145.