000 WTNT33 KNHC 061432 TCPAT3 BULLETIN Tropical Storm Katia Advisory Number 4 NWS National Hurricane Center Miami FL AL132017 1000 AM CDT Wed Sep 06 2017 ...KATIA MOVING LITTLE IN THE SOUTHWESTERN GULF OF MEXICO... ...FORECAST TO BECOME A HURRICANE... SUMMARY OF 1000 AM CDT...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...21.7N 95.9W ABOUT 135 MI...215 KM ESE OF TAMPICO MEXICO ABOUT 175 MI...280 KM N OF VERACRUZ MEXICO MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...ESE OR 120 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. A Hurricane Watch could be required for portions of the Mexican state of Veracruz later today. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 1000 AM CDT (1500 UTC), the center of Tropical Storm Katia was located near latitude 21.7 North, longitude 95.9 West. Katia is moving slowly toward the east-southeast near 5 mph (7 km/h), and little motion is expected during the next day or so. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Strengthening is forecast and Katia could become a hurricane before it approaches the coast of Veracruz in a couple of days. An Air Force reconnaissance plane will check Katia later today. Tropical-storm-force winds extend outward up to 45 miles (75 km) from the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Katia is expected to produce total rain accumulations of 5 to 10 inches over northern Veracruz, and 2 to 5 inches over far southern Tamaulipas, northeast Puebla, and southern Veracruz through Saturday morning. Isolated maximum amounts of 15 inches are possible in northern Veracruz. This rainfall may cause life-threatening flash floods and mudslides, especially in areas of mountainous terrain. NEXT ADVISORY ------------- Next complete advisory at 400 PM CDT. $$ Forecaster Avila