
February Nymex natural gas (NGG24) on Friday closed +0.216 (+6.97%).
Nat-gas prices on Friday rallied sharply and are just below Tuesday's 2-month high. NatGasWeather predicts that an arctic air mass will "advance aggressively across the U.S. this weekend and next week," bringing cold weather across the northern part of the U.S. and the South, including Texas, thus boosting heating demand for nat-gas.