Issued at 200 AM MST Tue Oct 13 2026
000 WTPZ35 KNHC 130841 TCPEP5 BULLETIN Hurricane Simon Advisory Number 24 NWS National Hurricane Center Miami FL EP202026 200 AM MST Tue Oct 13 2026 ...SIMON MOVING SLOWLY NORTHWESTWARD... ...INTERESTS IN WEST-CENTRAL MEXICO SHOULD CLOSELY MONITOR FORECAST UPDATES... SUMMARY OF 200 AM MST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...20.6N 107.2W ABOUT 100 MI...160 KM W OF CABO CORRIENTES MEXICO ABOUT 185 MI...300 KM SSW OF MAZATLAN MEXICO MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H PRESENT MOVEMENT...NW OR 315 DEGREES AT 3 MPH...6 KM/H MINIMUM CENTRAL PRESSURE...977 MB...28.85 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Las Islas Marias A Hurricane Watch is in effect for... * North of Escuinapa to Bahia Tempehuaya A Tropical Storm Watch is in effect for... * Cabo Corrientes to Escuinapa A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Preparations to protect life and property should be rushed to completion. A Hurricane Watch means that hurricane conditions are possible within the watch area within 48 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests elsewhere in west-central Mexico should continue to monitor as changes to watches and warnings are possible today. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 200 AM MST (0900 UTC), the center of Hurricane Simon was located near latitude 20.6 North, longitude 107.2 West. Simon is moving toward the northwest near 3 mph (6 km/h). A slow northwestward to northward motion is forecast during the next few days. Maximum sustained winds are near 90 mph (150 km/h) with higher gusts. Simon is forecast to remain a hurricane through midweek. Simon is a small tropical cyclone. Hurricane-force winds extend outward up to 10 miles (20 km) from the center and tropical-storm-force winds extend outward up to 45 miles (75 km). The estimated minimum central pressure is 977 mb (28.85 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. WIND: Hurricane conditions, especially in gusts, could occur in Las Islas Marias beginning later today. Hurricane conditions are possible within the hurricane watch area on Thursday, with tropical storm conditions possible by Wednesday. Tropical storm conditions are possible within the tropical storm watch area today or Wednesday. RAINFALL: Simon is expected to produce rainfall totals of 5 to 10 inches across coastal west-central Mexico with isolated maximum amounts of 15 inches over the state of Sinaloa by Thursday. 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. STORM SURGE: A dangerous storm surge is possible along the immediate coast near Las Islas Marias. Near the coast, the surge will be accompanied by large and destructive waves. SURF: Swells generated by Simon will affect portions of the coast of southwestern and west-central Mexico 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 intermediate advisory at 500 AM MST. Next complete advisory at 800 AM MST. $$ Forecaster Reinhart
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