MONTH	EP	NP	PNA	EATL/ WRUS	SCAND
SEP 2002	---	---	-0.6	-1.1	-1.2
AUG 2002	---	---	-0.9	---	0.5
JUL 2002	1.0	-1.0	---	---	---
JUN 2002	0.6	0.3	---	---	---
MAY 2002	0.3	---	-1.6	1.0	-1.1
APR 2002	0.9	0.0	-1.9	-0.8	0.9
MAR 2002	0.4	1.2	-2.1	1.2	-0.7
FEB 2002	0.6	---	-0.7	-1.0	-1.3
JAN 2002	0.5	---	-0.3	0.8	-0.7
DEC 2001	1.4	---	0.3	0.8	0.2
NOV 2001	0.4	---	0.1	-0.2	-1.4
OCT 2001	-0.5	---	-0.9	0.0	0.0
SEP 2001	---	---	1.6	-0.6	0.9

Standardized amplitudes of selected Northern Hemisphere teleconnection patterns for the most recent thirteen months. Pattern names and abbreviations are: East Pacific pattern (EP); North Pacific pattern (NP); Pacific/ North American pattern (PNA); East Atlantic/ Western Russia pattern (EATL/ WRUS- called Eurasia-2 pattern by Barnston and Livezey, 1987, Mon. Wea. Rev., 6, 1083-1126); and Scandinavia pattern (SCAND- called Eurasia-1 pattern by Barnston and Livezey 1987). No value is plotted when a pattern does not appear as a leading mode in that month.