{"id": "1217537076103118855", "title": "Public Tropical Cyclone Advisory", "adv_date": "2026-10-10T12:00:00Z", "msg": "870\nWTPZ35 KNHC 101153\nTCPEP5\n \nBULLETIN\nHurricane Simon Intermediate Advisory Number 12A\nNWS National Hurricane Center Miami FL       EP202026\n600 AM CST Sat Oct 10 2026\n \n...SIMON CONTINUES TO RAPIDLY INTENSIFY WITH 150-MPH WINDS...\n...PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO\nCOMPLETION THIS MORNING IN THE HURRICANE WARNING AREA...\n \n \nSUMMARY OF 600 AM CST...1200 UTC...INFORMATION\n----------------------------------------------\nLOCATION...17.3N 104.8W\nABOUT 120 MI...195 KM SSW OF MANZANILLO MEXICO\nABOUT 220 MI...355 KM SSE OF CABO CORRIENTES MEXICO\nMAXIMUM SUSTAINED WINDS...150 MPH...240 KM/H\nPRESENT MOVEMENT...N OR 350 DEGREES AT 5 MPH...7 KM/H\nMINIMUM CENTRAL PRESSURE...938 MB...27.70 INCHES\n \n \nWATCHES AND WARNINGS\n--------------------\nNone.\n \nSUMMARY OF WATCHES AND WARNINGS IN EFFECT:\n \nA Hurricane Warning is in effect for...\n* Punta San Telmo to El Roblito\n* Las Islas Marias\n \nA Tropical Storm Watch is in effect for...\n* East of Punta San Telmo to Lazaro Cardenas\n \nA Hurricane Warning means that hurricane conditions are expected \nsomewhere within the warning area. A warning is typically issued 36 \nhours before the anticipated first occurrence of \ntropical-storm-force winds, conditions that make outside \npreparations difficult or dangerous. Preparations to protect life \nand property should be rushed to completion today. \n \nA Tropical Storm Watch means that tropical storm conditions are \npossible within the watch area, in this case starting this \nafternoon. \n \nAdditional watches or warnings could be required for portions of the\ncoast of southwestern and west-central Mexico later today.\n \nFor storm information specific to your area, please monitor\nproducts issued by your national meteorological service.\n \n \nDISCUSSION AND OUTLOOK\n----------------------\nAt 600 AM CST (1200 UTC), the center of Hurricane Simon was located \nnear latitude 17.3 North, longitude 104.8 West. Simon is moving \ntoward the north near 5 mph (7 km/h), and this general motion is \nforecast to continue through the weekend. On the forecast track, \nSimon is expected to be near or just inland of the west-central \ncoast of Mexico on early Sunday.\n \nMaximum sustained winds have increased to near 150 mph (240 km/h) \nwith higher gusts.  Simon is a category 4 hurricane on the \nSaffir-Simpson Hurricane Wind Scale.  Additional strengthening is \nforecast today. Simon is forecast to approach the coast of \nwest-central Mexico as a major hurricane this evening or early \nSunday. An Air Force Reconnaissance aircraft is scheduled to \ninvestigate the hurricane later today. \n \nHurricane-force winds extend outward up to 15 miles (30 km) from\nthe center and tropical-storm-force winds extend outward up to 70\nmiles (110 km).\n \nThe estimated minimum central pressure is 938 mb (27.70 inches).\n \n \nHAZARDS AFFECTING LAND\n----------------------\nKey messages for Simon can be found in the Tropical Cyclone\nDiscussion under AWIPS header MIATCDEP5 and WMO header WTPZ45 KNHC.\n \nWIND:  Hurricane conditions are expected in the southern part of the \nHurricane Warning area beginning early Sunday, with tropical storm \nconditions expected as soon as this afternoon, with these winds \nspreading northward thereafter. Tropical storm conditions are \npossible within the Tropical Storm Watch area beginning this \nafternoon.\n \nRAINFALL: Simon is expected to produce rainfall totals of 10 to 20\ninches over portions of southwestern Mexico, with isolated maximum\ntotals of 30 inches possible across portions of Michoacan, Colima,\nJalisco and Nayarit through Sunday.  This rainfall will produce\nlife-threatening flooding and mudslides, especially in areas of\nsteep terrain.\n \nFor a complete depiction of forecast rainfall associated with Simon,\nplease see the National Weather Service Storm Total Rainfall Graphic\navailable at hurricanes.gov/graphics_ep5.shtml?rainqpf.\n \nSTORM SURGE:  A dangerous storm surge is expected along the\nimmediate coast near and to the east of where the center makes\nlandfall. Near the coast, the surge will be accompanied by large and\ndestructive waves.\n \nSURF:  Swells generated by Simon will affect portions of the coast\nof southwestern and west-central Mexico during the next few days.\nThese swells are likely to cause life-threatening surf and rip\ncurrent conditions.  Please consult products from your local weather\noffice.\n \n \nNEXT ADVISORY\n-------------\nNext complete advisory at 900 AM CST.\n \n"}