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San Francisco Bay Fog 37n 122w

37°N, 122°W · Sam Francis · 2026-05-05

san-francisco-bay-fog-37n-122w weather artwork
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Creative Rationale

Over the San Francisco Bay where the Pacific meets the California coast, dense fog rolls inland through the Golden Gate, carrying moisture-laden air that blankets the region in a characteristic gray embrace. The high humidity of 92% and light precipitation create a misty, diffused atmosphere, while the moderate westerly winds push color fragments toward the eastern edges of the composition. The cool temperature anomaly translates into muted, fog-softened hues that pool at the canvas borders, leaving expansive luminous breathing space in the center where the marine layer creates its characteristic void.

Atmospheric Data

Date
2026-05-05
Location
37°N, 122°W (San Francisco Bay Fog 37n 122w)
Pressure
1018 hPa (gradient: 15.2)
Wind
5.2 m/s from 270°
Temperature
12°C (anomaly: -0.8°C)
Humidity
92%
Precipitation
0.1 mm
Visual Interest Score
7.9

Technical Details

Model
Claude Sonnet 4 via Amazon Bedrock
Artist Inspiration
Sam Francis
Weather Source
Open-Meteo API (GFS model)
Format
SVG (2400x1600 viewBox) + PNG
Generated
2026-05-05T16:18:54.079344+00:00
Run ID
2026-05-05-161442-sf

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