It all began on October 18: a loose disturbance near 10.6°N 89.2°W. That was 3 days ago. Right now is its peak so far. Along the way its center has covered roughly 719 miles, or 1,157 km.
Today Vance blows at 40 mph (tropical storm), its pressure sits at 1003 mb and it is heading W at 7 mph (11 km/h). Tropical-storm-force winds reach up to 70 miles from the center.
By Mon, the end of the official forecast, the NHC expects a category 2 with 98 mph winds, about 232 miles from Manzanillo. Before that it should peak near 121 mph around Sat 12 AM. The closest it gets to any city we track is 232 miles from Manzanillo, around Mon 12 PM.