Research Article

Predictor-Year Subspace Clustering Based Ensemble Prediction of Indian Summer Monsoon

Table 6

Regional monsoon forecast verification statistics for ensemble models during test period 1995–2014.

Regions Verification measures Ensm Model 1 Ensm Model 2 Ensm Model 3

Central ACC between actual and predicted rainfall anomalies 0.57 0.64 0.66
RMSE for forecast (%) 10.2 9.8 9.7
PY (%) at allowed error 5% 45 55 55
PY (%) at allowed error 10% 75 75 75

North East ACC between actual and predicted rainfall anomalies 0.45 0.50 0.53
RMSE for forecast (%) 9.9 9.6 9.4
PY (%) at allowed error 5% 40 55 55
PY (%) at allowed error 10% 65 75 75

North West ACC between actual and predicted rainfall anomalies 0.47 0.46 0.43
RMSE for forecast (%) 13.6 13.3 13.4
PY (%) at allowed error 5% 35 45 40
PY (%) at allowed error 10% 60 65 60

South Peninsular ACC between actual and predicted rainfall anomalies 0.54 0.58 0.59
RMSE for forecast (%) 11.3 10.8 11.4
PY (%) at allowed error 5% 45 55 50
PY (%) at allowed error 10% 70 75 75