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Tropical South America 15s 70w

15°S, 70°W · Sam Francis · 2026-08-02

tropical-south-america-15s-70w weather artwork
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Creative Rationale

Over the Bolivian Altiplano near the border with Chile, where the Andes create extreme high-altitude conditions, the atmospheric data reveals a stark, cold environment with very low pressure and minimal moisture. The extremely low sea-level pressure reading suggests high elevation effects, while the cold temperature anomaly and moderate humidity create conditions for a restrained yet intense composition. Following Sam Francis's aesthetic, I've interpreted this as a controlled explosion of saturated color pools concentrated along the edges, with the gentle wind creating soft directional flows rather than violent splatters, leaving expansive luminous white space in the center to reflect the thin, crystalline air of this high-altitude landscape.

Atmospheric Data

Date
2026-08-02
Location
15°S, 70°W (Tropical South America 15s 70w)
Pressure
638.2 hPa (gradient: 336.22)
Wind
2.1 m/s from 8°
Temperature
3.7°C (anomaly: 14.9°C)
Humidity
47%
Visual Interest Score
23.5

Technical Details

Model
Claude Sonnet 4 via Amazon Bedrock
Artist Inspiration
Sam Francis
Weather Source
Open-Meteo API (GFS model)
Format
SVG (2400x1600 viewBox) + PNG
Generated
2026-08-02T02:24:08.646400+00:00
Run ID
2026-08-02-020121

License: CC BY-NC-ND 4.0. Attribution: James Tannahill / art.jamestannahill.com. No commercial use or derivatives without permission.