Table 4 Forecasted results using the thresholds of PWV variation.

From: Establishing a method of short-term rainfall forecasting based on GNSS-derived PWV and its application

PWV variation (mm)

Forecasted frequency

All rainfall events

Percentage (%)

Correct rate (%)

0

593

2782

21.32

92.80

1

561

2096

26.77

87.79

2

507

1591

31.87

79.34

3

449

1239

36.24

70.27

4

395

988

39.98

61.82

5

353

818

43.2

55.24