Major Pattern Shift as High-Pressure Blocking Sets Up Potential for Bitter Cold and Above-Normal Snowfall in Mid-to-Late January
UNITED STATES — A dramatic shift in the upper-air pattern is unfolding as long-range models align on a major January pattern change that could open the door to widespread cold outbreaks and elevated snow potential across large portions of the United States. Meteorologists are closely monitoring a developing setup of high-pressure blocking that may significantly…