Lanzhou Central Meteorological Observatory Lanzhou China;
Lanzhou Institute of Drought Meteorology China Meteorological Administration Lanzhou China;
Lanzhou Central Meteorological Observatory Lanzhou China;
Lanzhou Central Meteorological Observatory Lanzhou China;
Lanzhou Central Meteorological Observatory Lanzhou China;
Severe Convective Weather; Machine Learning; LightGBM; Early Warning and Forecast;