COSPPac Monthly Climate Bulletin, June, 2021.
SPREP Publications, Climate Change Resilience
The Indian Ocean Dipole (IOD) index values continue to be negative. • El Niño Southern Oscillation (ENSO) remains neutral. Climate model indicate a neutral ENSO state is likely to continue for the remainder of the southern hemi-sphere winter (June-August) and spring (September-November). • A Madden-Julian Oscillation (MJO) pulse weakened prior to moving into the western Pacific over the coming week. • The Intertropical Convergence Zone (ITCZ) was active and shifted north over western Pacific, while the South Pacific Convergence Zone (SPCZ) was active over southern PNG and the Solomon Islands. • The sea surface temperature anomaly pattern in June shows SSTs were close to average across most of the equatorial Pacific Ocean.