ResearchBenchmarksWeather Forecasting on ERA5 (test)Weather Forecasting on ERA5 (test)Follow1.51CRPS ImprovementRMMD-1.4332-0.66910.0950.8591Jun 29, 2026Evaluation resultsMethodMethodLinksCRPS ImprovementWin RateRMMDReward=CRPS, Sampling=...Reward=CRPS, Sampling=online2026.061.5193RMMDReward=CRPS, Sampling=...Reward=CRPS, Sampling=offline2026.061.1189.2MMDVariant=best, DDIM η=0...Variant=best, DDIM η=0.5, Diffusion noise schedule ρ=1002026.060.8275GenCastRole=Teacher, Number o...Role=Teacher, Number of Function Evaluations (NFE)=592026.060—MMDVariant=PlainVariant=Plain2026.06-1.324.9