March Nymex natural gas (NGH24) on Tuesday closed -0.033 (-2.05%). Nat-gas prices on Tuesday fell to a new 3-1/2 year nearest-futures low and closed moderately lower. Nat-gas prices fell on the outlook for warm winter temperatures to expand throughout the U.S., curbing heating demand for nat-gas and boosting inventories. Forecaster Atmospheric G2 said Tuesday that “spring warmth will spread” across the eastern two-thirds of the U.S. from Feb 25-29. Nat-gas prices are also under pressure from the announcement by the Freeport LNG nat-gas export terminal in Texas on January 26 that it was forced …