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Tropical South America

15°S, 70°W · Norman Lewis · 2026-09-11

Tropical South America weather art after Norman Lewis
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Creative Rationale

Over the high Andes of southeastern Peru, where extreme altitude creates an otherworldly atmospheric environment, the brutal cold of 5.3°C and moderate pressure gradient suggest a stark, crystalline landscape of sparse air and biting winds. The moderate wind from the northwest carries delicate processions of marks across a deep blue-black ground, while the significant cold anomaly drives the palette toward stark whites and icy blues against near-black depths. The moderate humidity creates subtle atmospheric veiling that softens the gestural marks without overwhelming them, allowing Lewis's characteristic calligraphic clusters to drift like ice crystals or distant bird formations across the canvas.

Atmospheric Data

Date
2026-09-11
Location
15°S, 70°W (Tropical South America)
Pressure
624.2 hPa (gradient: 349.75)
Wind
4 m/s from 332°
Temperature
5.3°C (anomaly: 12°C)
Humidity
66%
Visual Interest Score
47.1

Technical Details

Model
Claude Sonnet 4 via Amazon Bedrock
Artist Inspiration
Norman Lewis
Weather Source
Open-Meteo API (GFS model)
Format
SVG (2048x2048 viewBox) + PNG
Generated
2026-09-11T06:01:53.112940+00:00
Run ID
2026-09-11-060044

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