Tornadoes, a frequent phenomena in some states. But in which states exactly? And in what months? This data visualisation gives insight in one of the most terrifying, yet beautiful nature phenomena. The first graph shows the locations of all tornadoes. Click on a state in the first graph, and gain further insight on the dates on which tornadoes occur. The last graph gives you the option to plot the amount of tornadoes per year, the amount of damage, or the number of casualties. Use the slider to select different years.