5-day moving SLP/Temp Anomaly from JMA for October so far. The harmonious mountain torques (yes, S. America too) and cold plunges are part of the NPO/weak Walker Cell (look at Indonesian divergence). Calling the system "Niña" is inaccurate. Don't care that GLAAM is negative. pic.twitter.com/RwlT8Gzvbo

— Anthony Masiello (@antmasiello) October 17, 2019