Complex sentence: It subsequently acquired enough sufficiently organized structure to be recognized as an tropical cyclone and NHC initiated advisories on the newly formed tropical depression "One-E" at 1500 UTC, June 7 while located around 365 mi (590 km) south of Acapulco, Mexico.
Split into simpler sentences: It subsequently acquired enough sufficiently organized structure to be recognized as an tropical cyclone and NHC initiated advisories on the newly formed tropical depression at around 1500 UTC, June 7. Upon developing, the depression was designated as "One-E" about 365 mi (590 km) south of Acapulco, Mexico.