687 WTPZ31 KNHC 300238 TCPEP1 BULLETIN Tropical Storm Sergio Advisory Number 3 NWS National Hurricane Center Miami FL EP212018 1000 PM CDT Sat Sep 29 2018 ...SERGIO GRADUALLY STRENGTHENING WELL SOUTH OF THE COAST OF MEXICO... SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...12.3N 103.3W ABOUT 390 MI...630 KM SW OF ACAPULCO MEXICO MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1000 PM CDT (0300 UTC), the center of Tropical Storm Sergio was located near latitude 12.3 North, longitude 103.3 West. Sergio is moving toward the west near 10 mph (17 km/h) and this general motion is expected for the next couple of days with a turn toward the west-northwest possible on Tuesday. Maximum sustained winds have increased to near 45 mph (75 km/h) with higher gusts. Strengthening is forecast during the next 72 hours, and Sergio could become a hurricane by Monday and a major hurricane on Tuesday. Tropical-storm-force winds extend outward up to 125 miles (205 km) from the center. The estimated minimum central pressure is 1003 mb (29.62 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 400 AM CDT. $$ Forecaster Blake