http://www.theblaze.com/stories/2014/07/22/mayfly-hatch-in-wisconsin-so-massive-it-showed-up-on-weather-radar-caused-a-car-accident/
Some pretty cool photos.
Dry Fly Rie wrote:That's pretty interesting. It reminds of that massive midge hatch that happened in Cleveland several years ago during an Indians-Yankees playoff game.