A tropical storm is a tropical cyclone that has maximum sustained winds of between 39 and 73 mph – a step above a tropical depression.

E, poised to become Tropical Storm Dalila, is expected to form south of Southern Mexico, prompting a Tropical Storm Watch for parts of the southwestern Mexican coastline. The fourth named storm of the Eastern Pacific hurricane season follows an active start,

Barbara became a remnant low on Tuesday night and Cosme continues to weaken in the East Pacific as it moves over much cooler water. Behind this storm, the next area to watch is getting closer to becoming the next tropical depression and is expected to eventually become Dalila.