Tropical South America 15s 70w
15°S, 70°W · Bridget Riley · 2026-06-01
Bridget Riley2026-06-01Bridget Riley2026
Creative Rationale
Over the high Andes of Peru and Bolivia, the extremely low sea-level pressure reading of 638.3 Pa indicates high-altitude atmospheric conditions, while the gentle 1.5 m/s wind and moderate humidity create a sense of measured rhythm. The cold 2.4 K temperature with its significant positive anomaly suggests I should work within Riley's early black-and-white period, creating precise undulating patterns where the gentle southeasterly wind translates into subtle diagonal waves, and the steep pressure gradient manifests as tightly packed parallel lines that create intense optical vibration across the portrait canvas.
License: CC BY-NC-ND 4.0. Attribution: James Tannahill / art.jamestannahill.com. No commercial use or derivatives without permission.