| --- |
| license: apache-2.0 |
| library_name: pytorch |
| tags: |
| - weather |
| - era5 |
| - pytorch |
| - sonny |
| - stepnets |
| pipeline_tag: other |
| --- |
| |
| # Sonny |
|
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| StepNets one-step weather backbone: variable-aware embedding and a two-stage trunk, 69 ERA5-like variables, **1.5° grid (121×240 lat×lon in the paper)**. |
|
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| ## Citation |
|
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| If you use this checkpoint or architecture, cite: |
|
|
| **Sonny: Breaking the Compute Wall in Medium-Range Weather Forecasting** — Minjong Cheon, arXiv:2603.21284, 2026. |
| [https://arxiv.org/abs/2603.21284](https://arxiv.org/abs/2603.21284) |
|
|
| Code: [https://github.com/jmj2316/Sonny](https://github.com/jmj2316/Sonny) |
|
|
