344 WTPZ35 KNHC 280837 TCPEP5 BULLETIN Hurricane Rosa Advisory Number 13 NWS National Hurricane Center Miami FL EP202018 200 AM PDT Fri Sep 28 2018 ...LARGE AND POWERFUL ROSA EXPECTED TO TURN NORTHWESTWARD TONIGHT... SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...16.9N 117.3W ABOUT 640 MI...1030 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...145 MPH...230 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...940 MB...27.76 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 200 AM PDT (0900 UTC), the eye of Hurricane Rosa was located near latitude 16.9 North, longitude 117.3 West. Rosa is moving toward the west near 7 mph (11 km/h). A gradual turn toward the west-northwest and northwest is expected on Friday, followed by a turn toward the north Saturday night and a turn toward the north-northeast on Sunday. Maximum sustained winds are near 145 mph (230 km/h) with higher gusts. Rosa is a category 4 hurricane on the Saffir-Simpson Hurricane Wind Scale. Little significant change in strength is forecast today, with gradual weakening anticipated by Saturday, and further weakening at a faster rate expected early next week. Hurricane-force winds extend outward up to 40 miles (65 km) from the center and tropical-storm-force winds extend outward up to 115 miles (185 km). The estimated minimum central pressure is 940 mb (27.76 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Rosa will affect portions of the coasts of southwestern Mexico, the southern Baja California Peninsula, and southern California late this week and over the weekend. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 800 AM PDT. $$ Forecaster Roberts