Understanding Reanalyses: Reconstructing the Past to Better Predict the Future

I recently participated in the production of DANRA , a high-resolution regional reanalysis for Denmark that was just released. Working on this project gave me a deeper appreciation for what reanalyses are and why they matter. DANRA covers 34 years of Danish weather at 2.5 km resolution, capturing everything from the devastating December 1999 hurricane-force storm to the July 2022 national…