Natural-gas prices surged Friday as forecasts for colder weather boosted demand expectations. Moderate temperatures have limited demand for natural gas as an indoor-heating fuel this winter, pushing the market into oversupply. Stockpiles stood 18% above the five-year average for this time of year as of Jan. 29, according to the Energy Information Administration. Weather forecasts released Friday called for colder temperatures in the Eastern U.S. than previously expected in the next six to 10 days. “The latest domestic weather forecasts show colder-than-normal Northeastern temperatures for nearly the entire 16-day run,” said energy-advisory firm Gelber & Associates in a note. “The second half of February will still be warmer than normal but arctic cold leaking into the population-dense Northeast could burn enough gas to mitigate the glut in the rest of the country.” Futures for March delivery settled up 9.1 cents, or 4.6%, at $2.063 a million British thermal […]