This is a regular occurrence in the area, but this year's swarm was large enough to pop up on the Fox 11 weather radar, as shared by the KOKH Fox 25's Twitter account.
According to Fox 11, the flies are a very vital part of the lake's ecosystem. They have a very short lifespan, living only a few days to mate before they die. They don't bite and are more of an annoyance than a serious harm.* Read more...