Well this encouraging for another high-impact winter pattern to set up over the U.S. during the latter half of February; CFSv2 *Week 6* forecast compared to my internal MJO - derived *Week 6* forecast. Indicates potential for more spells of arctic cold air in the eastern U.S. pic.twitter.com/UKNk6UUlmq

— Mike Ventrice (@MJVentrice) January 17, 2018