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North America 45n 120w

45°N, 120°W · Gerhard Richter · 2026-09-13

north-america-45n-120w weather artwork
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Creative Rationale

Over the Columbia River Gorge in the Pacific Northwest, where the river cuts through the Cascade Range between Washington and Oregon, an intense low pressure system dominates with extremely high humidity and light westerly winds. The severe pressure gradient of 115.15 Pa/cell creates deep atmospheric turbulence, while the significant temperature anomaly of 11.1 K above normal suggests warm air being drawn into this low pressure zone. I interpret this through Richter-inspired layered paint drags moving diagonally from southwest to northeast following the wind direction, with multiple revealed layers representing the steep pressure gradient and warm underlying colors emerging through cool surface tones to show the temperature anomaly.

Atmospheric Data

Date
2026-09-13
Location
45°N, 120°W (North America 45n 120w)
Pressure
858.1 hPa (gradient: 115.15)
Wind
3.6 m/s from 259°
Temperature
6.9°C (anomaly: 11.1°C)
Humidity
96%
Visual Interest Score
32.2

Technical Details

Model
Claude Sonnet 4 via Amazon Bedrock
Artist Inspiration
Gerhard Richter
Weather Source
Open-Meteo API (GFS model)
Format
SVG (1440x2560 viewBox) + PNG
Generated
2026-09-13T06:04:26.755096+00:00
Run ID
2026-09-13-060043

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