TELECONNECTION INDICES

MONTH NAO EA EA-

JET

WP
JAN 2001 0.7 1.6 --- 0.4
DEC 2000 -0.6 1.8 --- 0.7
NOV 2000 -0.7 0.6 --- 1.1
OCT 2000 1.1 0.6 --- 0.1
SEP 2000 0.8 0.4 --- -2.1
AUG 2000 0.0 --- 0.4 -1.2
JUL 2000 -1.4 --- -0.7 -0.8
JUN 2000 -0.2 --- 1.9 0.1
MAY 2000 0.7 --- 0.1 -0.9
APR 2000 0.4 -0.3 0.9 -0.8
MAR 2000 0.1 -0.5 --- 1.2
FEB 2000 2.4 1.4 --- -0.2
JAN 2000 0.7 -1.5 --- -0.3

Standardized amplitudes of selected Northern Hemisphere teleconnection patterns for the most recent thirteen months. Pattern names and abbreviations are: North Atlantic Oscillation (NAO); East Atlantic pattern (EA); East Atlantic Jet pattern (EA-JET); West Pacificn pattern (WP). No value is plotted when a pattern does not appear as a leading mode in that month.