San Francisco Microclimate 37n 122w

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Creative Rationale

Over the San Francisco Bay Area with its characteristic coastal microclimate, where cool Pacific air meets the warming landmass creating complex atmospheric dynamics. The moderate pressure gradient of 17.6 Pa/cell and high humidity of 78% inspire dense, clustered brushwork with luminous ground showing through, while the cool 14K temperature calls for a palette dominated by steely blues and cool greens rather than hot summer colors. The moderate wind from 280 degrees (west-northwest) creates diagonal energy pulling marks across the composition, and the light precipitation translates to overlapping gestural passages that accumulate in memory-laden clusters.

Atmospheric Data

Date: 2026-05-05
Location: 37°N, 122°W (San Francisco Microclimate 37n 122w)
Pressure: 1015 hPa (gradient: 17.6)
Wind: 7.4 m/s from 280°
Temperature: 14°C (anomaly: 0.6°C)
Humidity: 78%
Precipitation: 0.1 mm
Visual Interest Score: 7.5

Technical Details

Model: AI (Sonnet 4) via Amazon Bedrock
Artist Inspiration: Joan Mitchell
Weather Source: Open-Meteo API (GFS model)
Format: SVG (2048×2048 viewBox) + PNG + SVG vector interpretation
Generated: 2026-05-05T17:55:24.057214+00:00
Compute: AWS Lambda (Python 3.12, 512 MB, us-east-1)
Run ID: 2026-05-05-175011-jm

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.