Euro Weekly MJO (VP 200) shows stronger Atlantic/Africa signal vs. Indian Ocean/Indonesia, a sign that Nina is weakening. AAM is now quite positive. Euro Weekly shows blocking late Nov. Suggests late Nov/Dec may be more receptive to -NAO/blocking & U.S. cold air delivery. pic.twitter.com/RDiIwAlhBt

— Jim Bishop (@StormgasmJim) October 21, 2022