ZCZC MIATCPEP2 ALL TTAA00 KNHC DDHHMM BULLETIN Tropical Storm Norma Advisory Number 17 NWS National Hurricane Center Miami FL EP172017 900 AM MDT Mon Sep 18 2017 ...NORMA DRIFTING WESTWARD AND MAINTAINING ITS STRENGTH... SUMMARY OF 900 AM MDT...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...21.4N 112.1W ABOUT 175 MI...280 KM SW OF CABO SAN LUCAS MEXICO MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 900 AM MDT (1500 UTC), the center of Tropical Storm Norma was located near latitude 21.4 North, longitude 112.1 West. Norma is moving toward the west near 5 mph (7 km/h). A general westward to west-northwestward motion is expected for the next couple of days. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Gradual weakening is forecast for the next 48 hours, and Norma will likely become a tropical depression on Tuesday. Tropical-storm-force winds extend outward up to 70 miles (110 km) from the center. The estimated minimum central pressure is 1000 mb (29.53 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Norma are affecting portions of the coast of southwestern Mexico and Baja California Sur and will continue into Tuesday. 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 300 PM MDT. $$ Forecaster Zelinsky NNNN