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

Table 1

Climatic predictor variables influencing Indian monsoon with geographic locations and correlated months (−1 represents previous year and 0 represents the same year).

Predictor variable	Predictor variable name	Location	Correlated months
	Equatorial Pacific Ocean SLP anomaly	S–N, E–W	Oct(−1) + Dec(−1)
	North Atlantic Ocean SLP anomaly	N–N, W–W	May(0)
	East Asia SP anomaly	N–N, E–E	Feb(0) + Mar(0)
	North West Europe SP anomaly	N–N, E–E	Oct(−1) + Dec(−1)
	North Atlantic Ocean SST anomaly	N–N, W–W	Dec(−1) + Jan(0)
	Equatorial South Eastern Indian Ocean SST anomaly	S–S, E–E	Feb(0) + Mar(0)
	Indonesia SST anomaly	S–N, E–E	April(0)
	North Central Pacific zonal wind anomaly	N–N, E–W	May(0)
	Nino 3.4 SST anomaly	S–N, W–W	MarAprMay(0) − DecJanFeb(−1)
	Pressure gradient between Madagascar and Tibetan low	—	Feb(0) − Apr(0)
	East Asia SST anomaly	N–N, E–E	Dec(−1)
	Europe land surface air temperature anomaly	N–N, E–E	Nov(−1) + Feb(0)
	Madagascar SLP anomaly	S–S, E–E	Feb(0)
	North Central Pacific Ocean SLP anomaly	N–N, E–W	Oct(−1)
	Tibetan low SP anomaly	N–N, E–E	Apr(0)