000 WTPZ32 KNHC 300532 TCPEP2 BULLETIN TROPICAL STORM MARTY INTERMEDIATE ADVISORY NUMBER 14A NWS NATIONAL HURRICANE CENTER MIAMI FL EP172015 100 AM CDT WED SEP 30 2015 ...MARTY MOVING VERY LITTLE AND WEAKENING... SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...16.2N 101.3W ABOUT 110 MI...175 KM S OF ZIHUATANEJO MEXICO ABOUT 110 MI...175 KM WSW OF ACAPULCO MEXICO MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...STATIONARY MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Acapulco to Lazaro Cardenas A Tropical Storm Watch is in effect for... * West of Lazaro Cardenas to Punta San Telmo For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ At 100 AM CDT (0600 UTC), the center of Tropical Storm Marty was located near latitude 16.2 North, longitude 101.3 West. Marty has been nearly stationary during the past several hours. However, a motion toward the west or west-northwest is expected to begin today with some increase in forward speed. On the forecast track, the center of Marty is expected to remain near but just offshore of the southwestern coast of Mexico today. Maximum sustained winds have decreased to near 45 mph (75 km/h) with higher gusts. Gradual weakening is forecast during the next 48 hours, and Marty is expected to weaken to a tropical depression later today. Tropical-storm-force winds extend outward up to 80 miles (130 km) from the center. The estimated minimum central pressure is 1000 mb (29.53 inches). HAZARDS AFFECTING LAND ---------------------- WIND: Tropical storm conditions are likely occurring within portions of the tropical storm warning area. Tropical storm conditions are possible within the watch area today. RAINFALL: Marty is expected to produce rainfall amounts of 5 to 10 inches over the Mexican state of Guerrero through Thursday. Isolated amounts of 15 inches are possible are possible in Guerrero from the Sierra Madre del Sur mountains toward the coast. These rains are expected to produce life-threatening flash floods and mudslides, especially in areas of mountainous terrain. STORM SURGE: A storm surge is expected to produce coastal flooding in areas of onshore flow. SURF: Swells generated by Marty are affecting portions of the coast of southern Mexico. 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 400 AM CDT. $$ Forecaster Avila