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.