Standardized amplitudes of selected
Northern Hemisphere teleconnection patterns for the most recent
thirteen months (computational procedures are described in Fig. E7).
Pattern names and abbreviations are North Atlantic Oscillation (NAO);
East Atlantic pattern (EA);
West Pacific pattern (WP);
East-Pacific - North Pacific pattern (EP-NP);
Pacific/North American pattern (PNA);
Tropical/Northern Hemisphere pattern (TNH);
Russia pattern (EATL/WRUS-called Eurasia-2 pattern by Barnston and
Livezey, 1987, Mon. Wea. Rev., 115, 1083-1126);
Scandanavia pattern (SCAND-called Eurasia-1 pattern by Barnston and
Livezey 1987); and
Polar Eurasia pattern (POLEUR).
No value is plotted for calendar months in which the
pattern does not appear as a leading mode.