...POLO FORECAST TO RAPIDLY INTENSIFY OFFSHORE OF MEXICO... As of 6:00 AM CST Mon Sep 21 the center of Polo was located near 15.6, -103.7 with movement NE at 5 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 50 mph.

Source: Summary - Tropical Storm Polo (EP2/EP172026)