ZCZC MIATCPEP5 ALL TTAA00 KNHC DDHHMM BULLETIN Tropical Storm Irwin Advisory Number 9 NWS National Hurricane Center Miami FL EP102023 500 PM HST Mon Aug 28 2023 ...IRWIN EXPECTED TO FINALLY TURN WESTWARD TONIGHT.. SUMMARY OF 500 PM HST...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...19.3N 125.7W ABOUT 1045 MI...1685 KM W OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 500 PM HST (0300 UTC), the center of Tropical Storm Irwin was located near latitude 19.3 North, longitude 125.7 West. Irwin is moving toward the west-northwest near 15 mph (24 km/h). A turn toward the west is expected tonight. Irwin is then expected to continue heading generally westward for the next several days. Maximum sustained winds are near 40 mph (65 km/h) with higher gusts. Only small changes in intensity are expected for the next day or so. Slow weakening is likely after that and Irwin could become post-tropical by mid-week. Tropical-storm-force winds extend outward up to 140 miles (220 km) from the center. The estimated minimum central pressure is 999 mb (29.50 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 1100 PM HST. $$ Forecaster D. Zelinsky NNNN