Public Tropical Cyclone Advisory
163 WTPZ35 KNHC 140537 TCPEP5 BULLETIN Hurricane Simon Intermediate Advisory Number 27A NWS National Hurricane Center Miami FL EP202026 1100 PM MST Tue Oct 13 2026 ...SMALL SIMON DRIFTING SOUTHWESTWARD... ...INTERESTS IN WEST-CENTRAL MEXICO AND BAJA CALIFORNIA SUR SHOULD CONTINUE TO MONITOR THE HURRICANE... SUMMARY OF 1100 PM MST...0600 UTC...INFORMATION ----------------------------------------------- LOCATION...20.0N 107.7W ABOUT 135 MI...215 KM WSW OF CABO CORRIENTES MEXICO ABOUT 135 MI...215 KM SW OF LAS ISLAS MARIAS MEXICO MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H PRESENT MOVEMENT...SW OR 230 DEGREES AT 2 MPH...4 KM/H MINIMUM CENTRAL PRESSURE...965 MB...28.50 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Watch is in effect for... * Las Islas Marias A Hurricane Watch means that hurricane conditions are possible within the watch area, generally within 48 hours. Interests in west-central Mexico and in Baja California Sur should continue to monitor Simon. Additional watches or warnings may be required over the next day or two. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1100 PM MST (0600 UTC), the eye of Hurricane Simon was located near latitude 20.0 North, longitude 107.7 West. Simon is moving toward the southwest near 2 mph (4 km/h). The hurricane is forecast to move slowly and erratically during the next couple of days. An eventual turn toward the north or north-northwest is forecast to occur late this week. Maximum sustained winds are near 110 mph (175 km/h) with higher gusts. Some additional strengthening is possible overnight, and Simon could become a major hurricane again. Gradual weakening is forecast beginning on Wednesday. Simon is a very small hurricane. Hurricane-force winds extend outward up to 10 miles (20 km) from the center, and tropical-storm-force winds extend outward up to 35 miles (55 km). The estimated minimum central pressure is 965 mb (28.50 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Simon can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDEP5 and WMO header WTPZ45 KNHC and on the web at hurricanes.gov/graphics_ep5.shtml?key_messages. WIND: Hurricane conditions are possible within the hurricane watch area for Las Islas Marias on Thursday. RAINFALL: Through Friday, Simon is expected to produce rainfall totals of 1 to 2 inches with isolated maximum amounts of 3 inches over portions of the states of Baja California Sur, Nayarit, and Sinaloa. For a complete depiction of forecast rainfall associated with Simon, please see the National Weather Service Storm Total Rainfall Graphic available at hurricanes.gov/graphics_ep5.shtml?rainqpf. SURF: Swells generated by Simon will continue to affect portions of the coast of west-central Mexico and Baja California Sur during the next few days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 200 AM MST.