TELECONNECTION INDICES

MONTH NAO EA EA-

JET

WP
JUL 2001 0.1 --- 0.7 -0.8
JUN 2001 -1.0 -- 2.4 0.8
MAY 2001 0.5 -- 1.0 -0.5
APR 2001 0.9 1.3 1.2 0.3
MAR 2001 -1.8 1.9 --- -1.1
FEB 2001 1.1 0.9 --- 1.4
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

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.