The Taiwan Quantitative Precipitation Ensemble Forecast Experiment (TAPEX) provides 72-hour rainfall forecasts during typhoon warning periods.

In 2014, the average 24-hour typhoon track error was 83km and the threat score (TS) was 0.43 for the forecast of daily rainfall exceeding 130mm.
 

Figure provided by Taiwan Typhoon and Flood Research Institute, National Applied Research Laboratories