Kelvin OLR · AM

Wheeler–Kiladis Kelvin-filtered OLR anomaly, Americas/Atlantic 80–30°W (7.5°S–7.5°N; k 1–14, 2.5–20 d, h 8–90 m, symmetric). Negative = enhanced convection. Recent days are provisional (filter edge). — Wheeler & Kiladis 1999 (JAS 56, 374); https://psl.noaa.gov/map/clim/olr_modes/