AdvertisementHow to stay safe during a flash flood, according to 'Flash Flood Alley' expertsUpdated January 04, 2023Mose BuchelefacebookEmailThe city of Austin, Texas, has installed cameras that let residents see rising floodwaters at key intersections. It also has online maps of flooded areas, which TV newscasts sometimes show. (KUT)This article was originally published on September 17, 2021.