Orange County March 4, 2022 5:19 pm Homeowner Says He Heard Massive Explosion in Jim Fire Spreading to more than 500 acres in the Cleveland National Forest, the Jim Fire started around 11 a.m. Wednesday when a drainage bottom in the area sparked. Vikki Vargas reports March 4, 2022. US & World Videos 0:24 Fatal shooting under investigation in Monrovia 1:13 Who is Claudia Sheinbaum? 0:38 Topanga Canyon reopens months ahead of schedule 3:11 First Alert Forecast: Expect a nice warm day, but the heat is on its way 2:56 First Alert Forecast: Morning clouds and fog