<ul><li>Researchers have developed a lightweight climate emulator called LUCIE that can accurately simulate long-term climate conditions.</li><li>LUCIE is fully data-driven and can be trained on as little as 2 years of 6-hourly ERA5 data.</li><li>The emulator remains stable and physically consistent for 100 years with 100 ensemble members.</li><li>LUCIE's simulations match the long-term climatology and variability of temperature, wind, precipitation, and humidity observed in ERA5 data.</li></ul>

LUCIE: A Lightweight Uncoupled ClImate Emulator with long-term stability and physical consistency for O(1000)-member ensembles

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