The Greenland High regime appears to be leading the battle of the regimes following the current Pacific Trough regime associated with much of the North American warmth.
— Tomer Burg (@burgwx) December 24, 2023
Today's extended GEFS ensemble has many members with Greenland & eastern Canada blocking in mid January: https://t.co/dOBNOxtNng pic.twitter.com/RFLzl6zJW7