000 WTPZ35 KNHC 242032 TCPEP5 BULLETIN Tropical Storm Irwin Advisory Number 10 NWS National Hurricane Center Miami FL EP102017 200 PM PDT Mon Jul 24 2017 ...IRWIN STILL STRENGTHENING... ...COULD BECOME A HURRICANE TONIGHT... SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...15.0N 117.8W ABOUT 750 MI...1210 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 3 MPH...6 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 200 PM PDT (2100 UTC), the center of Tropical Storm Irwin was located near latitude 15.0 North, longitude 117.8 West. Irwin is moving toward the west near 3 mph (6 km/h), and a slow westward motion is expected through Tuesday night. A turn toward the west-southwest is forecast on Wednesday. Maximum sustained winds have increased to near 65 mph (100 km/h) with higher gusts. Additional strengthening is forecast during the next 48 hours, and Irwin is expected to become a hurricane tonight. Tropical-storm-force winds extend outward up to 80 miles (130 km) from the center. The estimated minimum central pressure is 997 mb (29.44 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 800 PM PDT. $$ Forecaster Berg