Here are first formations by year for tropical cyclones in the eastern North Pacific (east of 140°W) since recordkeeping began in 1949. Tropical Depression One-E this morning is easily the earliest eastern Pacific tropical cyclone on record (by 2 weeks). #hurricanes #climatology pic.twitter.com/oXKGAAHXHr

— Michael Lowry (@MichaelRLowry) April 25, 2020