art.jt

Tropical South America

15°S, 70°W · Lesley Tannahill · 2026-09-05

Tropical South America weather art after Lesley Tannahill
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Creative Rationale

Over the high Andes of southern Peru and northern Bolivia, where the extreme altitude creates an otherworldly atmospheric environment, the massive pressure gradient and significant temperature anomaly speak to the violent geological forces at work in this mountain landscape. The moderate humidity and gentle winds suggest a contemplative moment within this harsh terrain, while the absence of precipitation allows for clear, thin air that reveals geological layers carved by millennia. I interpret this as a deeply worked palimpsest where tectonic pressures have created dense, overlapping strata - each atmospheric layer representing geological time, with warm Andean earth tones breaking through cooler high-altitude grays, and the temperature anomaly manifesting as disruptive marks that fragment the otherwise methodical accumulation of painted layers.

Atmospheric Data

Date
2026-09-05
Location
15°S, 70°W (Tropical South America)
Pressure
637.8 hPa (gradient: 336.92)
Wind
1.8 m/s from 3°
Temperature
5.4°C (anomaly: 13.3°C)
Humidity
72%
Visual Interest Score
23.4

Technical Details

Model
Claude Sonnet 4 via Amazon Bedrock
Artist Inspiration
Lesley Tannahill
Weather Source
Open-Meteo API (GFS model)
Format
SVG (1440x2560 viewBox) + PNG
Generated
2026-09-05T06:03:58.838231+00:00
Run ID
2026-09-05-060044

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