Mayfly Hatch - July 29th, 2011

Mayfly hatches have been showing up on NWS La Crosse's radar over the past few weeks, with one of the strongest returns showing up on Friday evening.  Below is an image from 9:17pm with the high reflectivity being a Mayfly hatch along the Mississippi River.  (Click on image for larger image)

Mayfly Hatch - July 29th, 2011

For previous stories on Mayfly hatches that have occurred over the past few years, please referrence the following articles:

July 9, 2008

July 28, 2008

May 29, 2010

July 19, 2010



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