At its first advisory, it was noted that it got better organized. At that time, there were tropical storm warnings for Mexico. It was also noted the Aviation model forecast Tropical Depression Four-E to make landfall in Mexico as a weak tropical storm in 12 hours. Around that time, the forecast track was issued by the National Hurricane Center late on June 27. It said that it would receive an outflow from Hurricane Alma close by. At the same time the Ukmet model had Tropical Depression Four-E remaining offshore Mexico. The same model also had the depression becoming Tropical Storm Boris. The National Hurricane Center forecasted Tropical Depression Four-E to become Tropical Storm Boris and make landfall in Mexico with winds of . In the same advisory, it was noted that the outer rain bands of brand new Tropical Depression Four-E had moved onshore Mexico.