Huge natural gas forward basis moves continued for pipeline capacity-starved New England, but hefty premiums also shifted further west during the short Nov. 17-21 period, NGI’s Forward Look data showed. With several inches of snow falling and a stormy outlook ahead, the Rockies and Pacific Northwest posted sharply higher forward prices.

Northwest Sumas December basis picked up 79.0 cents through the period to reach $3.465, according to Forward Look. Sumas prompt-month fixed prices hit $10.239, while January jumped 89.0 cents to $10.093. The balance of winter (December-March) picked up 83.0 cents to average $8.742/MMBtu, and the summer strip (April-October) moved up 22.0 cents to $4.410.

Similarly steep gains were seen at Opal, where December basis tacked on 67.0 cents to reach...