Squall Line

This photo, taken after sunset on Sunday, June 21st, shows a shelf cloud approaching Cedar Falls from the northwest. A broad area of thunderstorms was passing to the north. As the individual cells moved to the northeast cool outflow spread south. Since the outflow was weakening, this structure was breaking up as it approached. Winds gusted to 18 mph at the airport. Overnight several storm systems cross the area with heavy rain. Flood warnings are in effect today. There has been 5.42 inches of since the 19th. The above cloud looked a lot worse than it was.