Although the upper level wind shear is increasing over Hurricane Vance it has maintained its intensity today.  At 10:00 p.m. EST on Monday the center of Hurricane Vance was located at latitude 17.4°N and longitude 110.6°W which put it about 485 miles southwest of Mazatlan, Mexico.  Vance was moving toward the north-northeast at 13 m.p.h.  … Continue reading Hurricane Vance Prompts a Tropical Storm Watch for Parts of Mexico