To become a Skywarn Spotter all you need to do is take a short course in Storm Spotting. These courses are offered online and locally for free by the National Weather Service. The National Weather Service in Greenville / Spartanburg requires that any person wishing to become Skywarn Spotter Certified to be at least 18 years of age.
Take the course online at: https://www.meted.ucar.edu/training_course.php?id=23
Current courses offered locally:
None at this time.