-YingLong, a high-resolution, short-term regional weather forecasting, artificial-intelligence-based model, which is capable of hourly predicting weather fields including wind speed, temperature, and specific humidity at a 3km resolution. YingLong utilizes a parallel structure of global and local blocks to capture multiscale meteorological features and is trained on analysis dataset. Additionally, the necessary information around the regional boundary is introduced to YingLong through the boundary smoothing strategy, which significantly improves the regional forecasting results. By comparing forecast results with those from WRF-ARW, one of the best numerical prediction models, YingLong demonstrates superior forecasting performances in most cases, especially on surface variables.
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