Jul-Apr

Sep-Mar

Jul-JanJul-Nov

Jul-Mar

Jun-Jan

Jan-AprNov-Apr

Sep-Jan

Jan-MayJun-Apr Apr-JunJun-Mar

Jul-Dec

Nov-Mar

Jan-Apr

Jun-Sep Nov-Feb

Jun-Sep

Apr-Oct

Dec-MarJun-Oct

Feb-JunJun-Oct

Dec-AprSep-Dec

Jul-Sep

Nov-Mar

Sep-Jan Oct-Dec

Jan-Apr

*http://iridl.ldeo.columbia.edu/expert/home/.lenssen/.ensoTeleconnections/For more information on El Niño and La Niña: http://iri.columbia.edu/enso

Sources: 1. Lenssen, Goddard and Mason, 2020. Seasonal Forecast Skill of ENSO Teleconnection Maps. Weather Forecasting, 2387–24062. Mason and Goddard, 2001. Probabilistic precipitation anomalies associated with ENSO. Bull. Am. Meteorol. Soc. 82, 619-638

DryWet

El Niño conditions in the tropical Pacific are known to shift rainfall patterns in many different parts of the world. The regions and seasons shown on the map below indicate typical but not guaranteed impacts of La Niña. For further information, consult the probabilistic information* that the map is based on.

El Niño and Rainfall

International Research Institutefor Climate and Society

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