000 WTPZ33 KNHC 240234 TCPEP3 BULLETIN Tropical Storm Marty Advisory Number 4 NWS National Hurricane Center Miami FL EP132021 800 PM PDT Mon Aug 23 2021 ...MARTY MOVING WESTWARD AWAY FROM MEXICO... ...EXPECTED TO BEGIN WEAKENING ON TUESDAY... SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...20.7N 115.8W ABOUT 410 MI...655 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 800 PM PDT (0300 UTC), the center of Tropical Storm Marty was located near latitude 20.7 North, longitude 115.8 West. Marty is moving toward the west near 17 mph (28 km/h). A westward motion at a slightly slower forward speed is expected over the next couple of days, followed by a turn to the west-southwest on Thursday. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Gradual weakening is expected to begin on Tuesday, and Marty is forecast to weaken to a tropical depression by early Wednesday and degenerate to a remnant low by Wednesday night. Tropical-storm-force winds extend outward up to 60 miles (95 km) from the center. The estimated minimum central pressure is 1002 mb (29.59 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 200 AM PDT. $$ Forecaster Reinhart/Pasch