Multiple wildfires are active across Southern California, with investigators probing unusual causes. - Santa Rosa Island Fire: 18,300+ acres, 59% contained, possibly sparked by an SOS flare from a stranded boater.
- Sandy Fire: May have started when a tractor struck a rock in dry vegetation. - Relief expected with cooler temps and rain, but active wildfire season still forecast.
- California's snowpack is low, vegetation drying early, raising fire potential. The situation remains dynamic, with officials urging caution.