Mayfly Swarm Shows Up on Weather Radar

The forecast for La Crosse, Wisconsin, is for continuing mayflies. According to the National Weather Service, conditions are perfect for the emergence of mayflies along the upper Mississippi River, and the area teems with them every year. The swarm this year is thick enough to be caught on weather radar. What does it look like on the ground? Like this:


   



See more pictures and get updates on the swarm from the National Weather Service. -via Accuweather

(Images credit: National Weather Service)


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