Improving the Operational Methodology of Tropical Cyclone Seasonal Prediction in the Australian and the South Pacific Ocean Regions

Table 2

Correlation with number of TCs in SPO.

Explanatory variable	Month with highest correlation	Correlation
Niño4 SST anomalies	August	−0.157
Dipole Mode Index	August	−0.216
Niño3.4 SST anomalies	September	0.056
5VAR index	September	0.055
El Niño Modoki Index	Average Aug/Sep	−0.307
SOI	August	0.064
Niño3 SST anomalies	September	0.149
MEI	July	0.127
Niño1+2 SST anomalies	Average Jul/Aug/Sep	0.252