. >> reporter: kari hall and vianey arana showed the students how to make a tornado. it's a rare weather event for california but a cool experiment for students to show their families. >> it's something most people don't consider that happens in california, but we were able to show them what a tornado looks like if it were to happen, because we don't see them so much around the bay area. >> reporter: even our storm ranger mobile doppler radar was at this event all the way from san bruno mountain. students looked around the truck, and we explained the cool technology and how we use it during atmospheric rivers and other events to provide the most accurate forecasts here in the bay area. >> they start thinking about weather, the planet, the sky, the earth, the atmosphere. then that gets their wheels rolling. at the end of the day, they're the future leaders of tomorrow. with our climate in crisis, there are the ones that will make the biggest impact. >> reporter: overall, a very successful day with the students and all of the team members at the event. the students went