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| #902091 (Received by flhurricane at: 4:35 AM 09.Sep.2017) TCPAT3 BULLETIN Tropical Storm Katia Advisory Number 15 NWS National Hurricane Center Miami FL AL132017 Issued by the NWS Weather Prediction Center College Park MD 400 AM CDT Sat Sep 09 2017 ...KATIA BEGINNING TO STALL NEAR THE SIERRA MADRE MOUNTAINS... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...20.3N 97.5W ABOUT 135 MI...215 KM S OF TAMPICO MEXICO ABOUT 115 MI...185 KM NW OF VERACRUZ MEXICO MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 2 MPH...4 KM/H MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Rio Panuco to Puerto Veracruz A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. 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 Tropical Storm Katia was located near latitude 20.3 North, longitude 97.5 West. Katia is moving toward the west near 2 mph (4 km/h) and it is expected to drift to the east of the Sierra Madre Mountains as it dissipates today. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Winds should continue to subside as Katia dissipates today. Tropical-storm-force winds extend outward up to 60 miles (95 km) from the center. The estimated minimum central pressure is 1001 mb (29.56 inches). HAZARDS AFFECTING LAND ---------------------- STORM SURGE: Some inundation along the coast due to storm surge will remain possible this morning. Water levels along the coast should decrease as the storm moves inland and winds subside. 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 will likely cause life-threatening flash floods and mudslides, especially in areas of mountainous terrain. WIND: Tropical storm conditions are expected to continue within the tropical storm warning areas. 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 Lamers/Roth |
