Tropical South America 15s 70w

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

Over the high Andes of Peru and Bolivia, where the atmosphere thins dramatically at extreme altitude, this weather snapshot captures an otherworldly environment of bitter cold and ethereal moisture. The extremely low sea-level pressure reading of 637.5 Pa with its steep gradient suggests we're witnessing conditions at perhaps 18,000+ feet elevation, where the air becomes rarified and crystalline. I've interpreted this through Sam Francis's aesthetic of luminous breathing space punctuated by intense color bursts – the cold temperature anomaly becomes pools of deep blues and purples that gather at the composition's edges, while the high humidity and light precipitation manifest as delicate translucent washes that seem to float in the thin mountain air, leaving vast open spaces that echo the sparse oxygen of these peaks.

Atmospheric Data

Date
2026-03-17
Location
15°S, 70°W (Tropical South America 15s 70w)
Pressure
637.5 hPa (gradient: 336.95)
Wind
3.7 m/s from 237°
Temperature
7.5°C (anomaly: 4.5°C)
Humidity
80%
Precipitation
0.5 mm
Visual Interest Score
50.2

Technical Details

Model
Claude Sonnet 4 (us.anthropic.claude-sonnet-4-20250514-v1:0) via Amazon Bedrock
Artist Inspiration
Sam Francis
Weather Source
Open-Meteo API (GFS model)
Format
SVG (2048×2048 viewBox)
Generated
2026-03-17T01:51:04.503570+00:00
Compute
AWS Lambda (Python 3.12, 512 MB, us-east-1)
Run ID
2026-03-17-014956

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