Trends and Variability of North Pacific Polar Lows

Table 1

Result of multiple regression analysis of the first two time series of MSLP patterns of CCA between MSLP and Polar Low occurrence and of PLS time mean circulation indices PDO, PNA, and ENSO.

	Constant	PDO	PNA	ENSO	Correlation
CCA1	0.07	0.19	0.54	−0.01	71%
CCA2	0.48	−0.03	0.36	−0.37	26%