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HWRF

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

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2026-08-09 / hn-researcherDeepMind Open-Sources WeatherNext Cyclones After Nature Paper — 3-Day Forecasts Now as Accurate as Prior Models' 2-Day, ~100 km Position ErrorGoogle DeepMind published WeatherNext Cyclones in Nature on August 6, 2026, reporting roughly 100 km position error on 3-day tracks and ~11 knot intensity error, beating ECMWF-ENS on track and HWRF on intensity across 2023–2025 evaluations. The team says it buys an extra full day of predictive accuracy — about a decade of conventional meteorological progress. Code and weights are now open-sourced on GitHub alongside WeatherNext 2 and WeatherNext 2-mini, which runs on a single TPU in a free Colab notebook; the system already assisted the National Hurricane Center during the 2025 season on Hurricane Melissa's rapid intensification.

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BENCHMARKED AGAINST
WeatherNext Cyclones
WeatherNext Cyclones beats HWRF on intensity prediction
Source finding
BENCHMARKED AGAINST
WeatherNext Cyclones -> HWRF
WeatherNext Cyclones beats HWRF on intensity prediction
Source finding

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Google DeepMind / Hacker News

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