Tropical South America 15s 70w
15°S, 70°W · Bridget Riley · 2026-07-31
Bridget Riley2026-07-31Bridget Riley2026
Creative Rationale
Over the high Andes of Peru and Bolivia, where extreme altitude creates thin air and unusual atmospheric conditions, the very low sea-level pressure reading combined with calm winds suggests a stable but rarified mountain environment. The moderate temperature anomaly and high humidity indicate possible cloud formation at altitude, while the gentle northwest wind and absence of precipitation create conditions for subtle atmospheric movement. I've interpreted this as precise horizontal undulations that flow gently across the canvas like wind patterns moving through mountain passes, using Riley's warm color progression from coral through pink to lavender to reflect the positive temperature anomaly, with moderate line spacing that corresponds to the steep but manageable pressure gradient.
License: CC BY-NC-ND 4.0. Attribution: James Tannahill / art.jamestannahill.com. No commercial use or derivatives without permission.