Another Mayfly Hatch Caught on Doppler Radar

Mayfly hatches have been showing up on National Weather Service (NWS) La Crosse Doppler radar images for several weeks.  Another flare up was noted Monday evening, July 28th a little past 9 p.m. CDT.  The image below shows the Doppler radar view at 9:21 p.m. with the blue and green colors near the Mississippi River.  The radar is picking up bugs as they leave the surface of the river and fly into nearby buildings and objects.

mayfly radar hatch

Return to News Archive is the U.S. government's official web portal to all federal, state and local government web resources and services.