The Stratospheric Sudden Warming of March 2025 Abruptly Ended the NH Stratospheric Polar Vortex

A cold stratospheric polar region characterized most of the NH winter of 2024-2025, with a major final warming in early March. The NASA Global Modeling and Assimilation Office’s GEOS-FP and GEOS-S2S products were able to forecast and characterize the evolution of this SSW event. GEOS-FP and GEOS-S2S run at the NASA Center for Climate Simulation.

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