| forecast observation | T639 | ECMWF | Japan | Multi-model integrated | ECMWF ensemble forecast | Subjective Forecast |
| Precipitation in the eastern part of the Northeast China | Basically consistent, Local precipitation above 50 mm omission | consistent | Basically consistent, precipitation range above 50 mm is too large | Basically consistent, Local precipitation above 50 mm omission | consistent | Basically consistent, Local precipitation above 50 mm omission |
| Precipitation in the eastern part of the northwest and southwest China, Jianghuai, Jiangnan | The rain belt is obviously northward | The location of rain belt is good, while precipitation in Jiangnan forecasts weaker | The rain belt is northward, and the precipitation center deviates greatly | Precipitation range above 25 mm forecasts northward | The location of rain belt is good, while precipitation in Jiangnan forecasts weaker | The rain belt is northward and the precipitation in Huanghuai forecasts too large |
| Precipitation in the South China | Precipitation forecasts obviously weaker | |||||