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ZCZC MIATCPAT3 ALL TTAA00 KNHC DDHHMM BULLETIN Hurricane Katia Advisory Number 11 NWS National Hurricane Center Miami FL AL132017 400 AM CDT Fri Sep 08 2017 ...KATIA A LITTLE STRONGER... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...21.3N 95.4W ABOUT 170 MI...275 KM ESE OF TAMPICO MEXICO ABOUT 155 MI...250 KM NNE OF VERACRUZ MEXICO MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H PRESENT MOVEMENT...WSW OR 250 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... * Cabo Rojo to Laguna Verde A Tropical Storm Warning is in effect for... * North of Cabo Rojo to Rio Panuco * South of Laguna Verde to Puerto Veracruz A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A warning is typically issued 36 hours before the anticipated first occurrence of tropical- storm-force winds, conditions that make outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 400 AM CDT (0900 UTC), the center of Hurricane Katia was located near latitude 21.3 North, longitude 95.4 West. Katia is moving toward the west-southwest near 3 mph (6 km/h) and this general motion is expected to continue until the system makes landfall within the hurricane warning area by early Saturday. Maximum sustained winds have increased to near 90 mph (150 km/h) with higher gusts. Some additional strengthening is forecast during the next day or so and Katia could be near major hurricane strength at landfall. Hurricane-force winds extend outward up to 10 miles (20 km) from the center and tropical-storm-force winds extend outward up to 60 miles (95 km). The estimated minimum central pressure is 977 mb (28.85 inches). HAZARDS AFFECTING LAND ---------------------- STORM SURGE: A dangerous storm surge will raise water levels by as much as 5 to 7 feet above normal tide levels near and to the north of where Katia makes landfall. Near the coast, the surge will be accompanied by large and destructive waves. RAINFALL: Katia is expected to produce total rain accumulations of 10 to 15 inches over northern Veracruz, eastern Hidalgo, and Puebla. Katia is also expected to produce total rain accumulations of 2 to 5 inches over southern Tamaulipas, eastern San Luis Potosi, western Hidalgo, eastern Queretaro, and southern Veracruz through Saturday evening. Isolated maximum amounts of 25 inches are possible in northern Veracruz, eastern Hidalgo, Puebla, and San Luis Potosi. This rainfall may cause life-threatening flash floods and mudslides, especially in areas of mountainous terrain. WIND: Hurricane conditions are expected within portions of the hurricane warning area by tonight or early Saturday, with tropical storm conditions expected within the tropical storm warning areas by later today. SURF: Swells generated by Katia will continue to affect portions of the coast of southeastern Mexico during the next couple of 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 700 AM CDT. Next complete advisory at 1000 AM CDT. $$ Forecaster Roberts NNNN