A tornado near a mall in central California swept up cars, uprooted trees and sent several people to the hospital. In San Francisco, authorities issued the first-ever tornado warning. Elsewhere, inclement weather plagued areas of the U.S., with dangerous conditions including heavy snow in upstate New York, a major ice storm in Midwest states and severe weather warnings around Lake Tahoe. MORE: https://www.wthr.com/article/news/nation-world/winter-storm-weather/507-9a7206a3-7d75-4e63-b206-01f49cef9f71