MOORPARK, CA - SEPTEMBER 23: Smoke blows past oil wells at sunset on the eastern flank of the 16,000-plus-acre Guiberson fire, burning out of control for a second day as Red Flag warnings continue in southern California on September 23, 2009 near Moorpark, California. A Red Flag warning means critical wildfire weather, based on a combination of high temperatures, low humidity and Santa Ana winds, is occurring. Several large wildfires broke out in triple-digit temperatures on the first of Red Flag warnings.
