Table 1.

Parameters and corresponding skewness and flatness for model 17, A = 0 and B = 0 for all five cases

Case	F	A	B	C	σ	Skew	Flat
S	1.8	0	−5.4	4		−1.35	8.56
B	2.0	0	−6.0	4		−1.50	10.8
U	2.2	0	−6.6	4		−2.05	17.5
PC-1	−0.005	−0.018	0.006	0.003	0.226	0.27	2.72
NAO	−1.44	−0.55	−0.073	0.003	0.253	0.21	3.11