Public Tropical Cyclone Advisory
926 WTPZ32 KNHC 231737 TCPEP2 BULLETIN Hurricane Polo Intermediate Advisory Number 12A NWS National Hurricane Center Miami FL EP172026 1200 PM CST Wed Sep 23 2026 ...POLO MOVING NORTHWESTWARD AS RAINBANDS AFFECT THE COAST OF MEXICO... SUMMARY OF 1200 PM CST...1800 UTC...INFORMATION ----------------------------------------------- LOCATION...15.6N 102.1W ABOUT 150 MI...240 KM SSW OF ZIHUATANEJO MEXICO ABOUT 275 MI...445 KM SSE OF MANZANILLO MEXICO MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H PRESENT MOVEMENT...NW OR 315 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...931 MB...27.50 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Tecpan de Galeana to Punta San Telmo A Tropical Storm Watch is in effect for... * West of Punta San Telmo to Playa Perula A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within 12 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests elsewhere along the southwestern Mexico coast should continue to monitor the progress of this system as additional watches and warnings could be necessary later today. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1200 PM CST (1800 UTC), the center of Hurricane Polo was located near latitude 15.6 North, longitude 102.1 West. Polo is moving toward the northwest near 5 mph (7 km/h), and this motion is expected to continue through Thursday. A general west-northwestward motion is forecast on Friday and over the weekend. On the forecast track, the core of Polo is expected to be near the coast of southwestern Mexico during the next day or two, although it is forecast to remain offshore. Maximum sustained winds are now near 145 mph (230 km/h) with higher gusts. Polo is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Fluctuations in intensity are expected, but Polo is expected to remain a very powerful major hurricane during the next few days. Hurricane-force winds extend outward up to 40 miles (65 km) from the center and tropical-storm-force winds extend outward up to 105 miles (165 km). The estimated minimum central pressure is 931 mb (27.50 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Polo can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDEP2 and WMO header WTPZ42 KNHC. WIND: Tropical storm conditions are expected within the warning area along the coast of Mexico later today. Tropical storm conditions are possible within the watch area along the coast of Mexico on Thursday. RAINFALL: Polo is expected to produce rainfall totals of 4 to 6 inches, with isolated maximum totals up to 8 inches across coastal portions of the Mexican state of Guerrero through Thursday. This rainfall may produce life-threatening flooding and mudslides, especially in areas of steep terrain. Rainfall of 2 to 4 inches is possible in coastal portions of the Mexican states of Michoacan, Colima, and Jalisco through Thursday. For a complete depiction of forecast rainfall associated with Polo, please see the National Weather Service Storm Total Rainfall Graphic available at hurricanes.gov/graphics_ep2.shtml?rainqpf SURF: Swells generated by Polo are expected to affect portions of the coast of southwestern Mexico during the next few days. These swells are likely to cause life-threatening surf, rip current conditions, and coastal flooding. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 300 PM CST.