OAKLAND, CALIFORNIA — From his home in northern California, Nick Russell, a former farm manager, is monitoring the Los Angeles-area fires. He knows that about 600 kilometers south, people in Los Angeles are relying on his team’s live neighborhood-by-neighborhood updates on fire outbreaks, smoke direction, surface wind predictions and evacuation routes. Russell is vice president of operations at Watch Duty, a free app that tracks fires and other natural disasters. It relies on a variety of data sources such as cameras and sensors throughout the state, government agencies, first responders, a core of volunteers, and its own team of reporters. An emergency at his house, for example, would be "much different" from one at his neighbor's house .4 kilometers away, Russell said. "That is true for communities everywhere, and that’s where…