Table 3 Forecasted results using monthly PWV thresholds.

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

Month

PWV threshold

Forecasted frequency

Correct rate (%)

False alarm rate (%)

2014.09

55.5

72/87

82.8

76.8

2014.10

44.8

2/2

100.0

92.3

2014.11

31.5

48/54

88.9

72.4

2014.12

23.0

16/19

84.2

77.5

2015.01

25.1

17/21

81.0

72.1

2015.02

27.0

48/56

85.7

56.8

2015.03

27.0

69/85

81.2

71.8

2015.04

31.5

20/24

83.3

91.9

2015.05

45.0

54/64

84.4

78.8

2015.06

58.5

67/81

82.7

81.7

2015.07

59.0

91/110

82.7

66.2

2015.08

55.0

29/36

80.6

90.4

  1. Note: 72/87 represents 72 out of 87 events.