RMM MJO phase 7 in January most frequently produces winter storms in central NC. In fact, phase 7 in Jan generates ~2x as many storms vs other RMM MJO phase at any other time of the yr. 80% (8 of 10) trips to MJO phase 7 in Jan since 2000 resulted in snow/ice in central NC #ncwx pic.twitter.com/Hk11U8tlWX

— Eric Webb (@webberweather) January 12, 2020