Justin Poublon is a meteorologist and storm chaser from Wisconsin who witnessed a meteotsunami on July 27, 2026. This rare video shows large waves piling up on the shore of Lake Winnebago after the Wisconsin tornado struck. Meteotsunami hits Lake Winnebago after Wisconsin tornadoOn July 27, 2026, a tornado struck the Fox Valley area of Wisconsin, destroying a wide swath of the city of Menasha. The tornado-producing storm system also triggered a meteotsunami in neighboring Lake Winnebago. A first-hand accountJustin Poublon, a meteorologist and storm chaser from Wisconsin, described his experience:While the Appleton/Menasha tornado was occurring, Lake Winnebago appeared to drop by 1 to 2 feet [30 to 60 centimeters] at my location near Adella Beach/ Neenah, Wisconsin.