Mid-January Pattern Shift Signals Colder Weather Across Illinois, Indiana, Ohio, Michigan, Pennsylvania, New York, and the Eastern U.S.
UNITED STATES — Latest ECMWF, GFS, and CMC ensemble guidance strongly suggests a notable large-scale pattern change developing between January 12 and January 16, with the Eastern United States emerging as the primary impact zone. Multiple long-range signals now align on a deep eastern trough, increasing cold air delivery, and a setup that could support…
