OMI PC1

OLR MJO index PC1: 20–96-day filtered OLR (20°S–20°N) projected on day-of-year EOFs of 30–96-day eastward-filtered OLR. RMM-like axes are (PC2, −PC1). The last ~6 weeks are provisional. — Kiladis et al. 2014 (MWR 142, 1697); https://psl.noaa.gov/mjo/mjoindex/