LOS ANGELES—A winter storm will continue to affect the Southland March 11—bringing numerous showers and a chance of thunderstorms, as well as periods of moderate to heavy snow and gusty winds in the mountains, the National Weather Service said. The storm system, which landed in the area on March 10, is expected to continue into at least March 11 and possibly into March 12, with the potential for heavy downpours March 11. The rains could cause minor flooding in southern Los Angeles County, with some minor mud and debris flows possible across the southern portion of the Bobcat and Ranch2 burn areas in the Angeles National Forest. A flash flood watch was in effect through late March 11 for the Santa Ana Mountains and foothills, Orange County inland areas and the Silverado and Bond Burn scars in Orange County. “Scattered showers and isolated thunderstorms will continue through late tonight, with …