By June 7 , the low developed sufficiently organized deep convection to be classified as a tropical cyclone .
The National Hurricane Center ( NHC ) designated convection as Tropical Depression One - E at 1500 UTC , about 365 mi ( 590 km ) south of Acapulco .
By June 7 , the low developed sufficiently organized deep convection to be classified as a tropical cyclone , and the National Hurricane Center ( NHC ) designated it as Tropical Depression One - E at 1500 UTC , about 365 mi ( 590 km ) south of Acapulco .