April Nymex natural gas (NGJ24) on Monday closed -0.046 (-2.55%), the fourth consecutive session of losses. Nat-gas prices on Monday fell on forecasts for generally warm weather for the next two weeks, along with bulging inventories. Nat-gas prices have collapsed this year and plunged to a 3-1/2 year nearest-futures low (H24) in late-February as an unusually mild winter curbed heating consumption for nat-gas and pushed inventories well above average. The U.S. Climate Prediction Center said there is a greater than 55% chance the current El Nino weather pattern will remain strong in the Northern…