Table 1 Description of the SOM patterns.
SOM Pattern | Period | Precipitation anti-correlation | Atlantic modes | ITCZ displacement |
|---|---|---|---|---|
0 | 1980–1985 | (Strong) | SASD+, AMM+, AEM- | Southward |
1 | 1985–1990 | (Strong) | SASD−, AMM− | Southward |
2 | 1990–1995 | (Strong) | AMM-, AEM− | Southward |
3 | 1995–2000 | (Strong) | AEM+ | Northward |
4 | 2000–2005 | (Strong) | AMM+, AEM+ | Northward |
5 | 2005–2012 | (Weak) | AMM+, AEM+ | Northward |
6 | 2012–2015 | (Weak) | SASD+, AMM+ | Northward |