The last time we did NOT have a tropical/subtropical storm form before June 1 in an Atlantic Hurricane Season was six years ago in the 2014 season.
2015 – TS Ana (May)
2016 – H Alex (January) & TS Bonnie (May)
2017 – TS Arlene (April)
2018 – TS Alberto (May)
2019 – Andrea (May)— Spinks Megginson (@rzweather) May 12, 2020