Parts of the Florida Gulf coast have been impacted by one of the worst red tide outbreaks in years.

Meteorologist Meredith Garofalo spoke with an scientist from Mote Marine Laboratory in Sarasota, FL, for the latest updates.

To find out the latest areas impacted by harmful algae blooms, check out this interactive map.

The Red tide begins when onshore runoff drips into the coastal waters. This runoff contains human waste and chemicals from fertilizer and numerous other ingredients. Initially this starts as a hyper-local event but as more fish or marine life die, it adds to the unhealthy mixture creating a large scale impact. Much like what is seen right now along the Florida Gulf Coast.

If you’d like to more about what red tide is, check out our previous report.