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Tropical South America 15s 70w

15°S, 70°W · Lesley Tannahill · 2026-07-16

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

Over the high Andes of southern Peru and Bolivia, where thin air and extreme altitude create an otherworldly atmospheric environment. The exceptionally low pressure and steep gradient translate into densely archaeological layers of mark-making, while the significant temperature anomaly drives chaotic gestural breaks that rupture through more contemplative painted fields. The gentle wind from the northwest creates subtle under-layer energy, and the moderate humidity allows previous painting sessions to ghost through current surfaces, building a palimpsest of years of artistic evolution.

Atmospheric Data

Date
2026-07-16
Location
15°S, 70°W (Tropical South America 15s 70w)
Pressure
637.9 hPa (gradient: 337.06)
Wind
2.1 m/s from 331°
Temperature
4.5°C (anomaly: 14.5°C)
Humidity
68%
Visual Interest Score
26

Technical Details

Model
Claude Sonnet 4 via Amazon Bedrock
Artist Inspiration
Lesley Tannahill
Weather Source
Open-Meteo API (GFS model)
Format
SVG (2048x1024 viewBox) + PNG
Generated
2026-07-16T06:19:13.460257+00:00
Run ID
2026-07-16-060044

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