Of course Dropsonde data is not perfect, and sometimes is of only marginal value. Wu relates: "On average, it can improve the numerical models used by the various national meteorological agencies to predict the path of a tropical cyclone over a 24 to 72-hour period by about 20 %.
不過投落送的資料並非每次都有這麼大的功效，「以平均值來說，大致可改善 24 至 72 小時颱風路徑準確度約 2 成。