Meanwhile, monitoring of Indian Ocean climate anomalies showed differences in sea surface temperatures in eastern Africa and west of Sumatra as a positive Indian Ocean Dipole Mode (IOD +) indicator in mid-June. IOD + is predicted to be Neutral in July to November 2020.
“We are still waiting for an official release from BMKG related to weak La Nina even though one of world meteorological institutions, namely Bureau of Meteorology (BOM) Australia today (7/7) has released about La Nina.” Rendi said.
In page it is stated that most of international climate models surveyed by BOM show that surface temperatures of central Pacific tropical sea level in NINO 3.4 region will cool in several coming month.
Two of eight models surveyed reached La Nina threshold during August, with three more models approaching threshold in September and November. The other three models remain clearer at neutral levels.
ENSO events – El Nino or La Nina – usually begin to develop during southern hemisphere experiencing autumn to winter, before strengthening in winter to spring. *
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