Table 5 Forecasted results using the thresholds of the rate of change of PWV.

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

The rate of change of PWV (mm/h)

Forecasted frequency

All rainfall events

Percentage (%)

Correct rate (%)

0

593

2782

21.32

92.80

0.2

580

2392

24.25

90.77

0.4

563

1862

30.24

88.11

0.6

487

1349

36.10

76.21

0.8

424

992

42.74

66.35

1.0

337

685

49.2

52.74

  1. Note: The annual rainfall events at station LJSL is 639; ‘forecasted frequency’ refers to correctly forecasted events in the threshold interval; ‘all rainfall events’ refers to total forecasted event (including correctly forecast and falsely forecast) in the interval.