A diffusion-based neural network trained on HRRR analysis beats HRRR forecast skill on 20 dBZ composite reflectivity across CONUS and is competitive at 30 dBZ.
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HRRRCast: a data-driven emulator for regional weather forecasting at convection allowing scales
A diffusion-based neural network trained on HRRR analysis beats HRRR forecast skill on 20 dBZ composite reflectivity across CONUS and is competitive at 30 dBZ.