000 WTPZ34 KNHC 181736 TCPEP4 BULLETIN Tropical Storm Madeline Intermediate Advisory Number 4A NWS National Hurricane Center Miami FL EP142022 1200 PM MDT Sun Sep 18 2022 ...MADELINE TURNS TOWARD THE NORTH-NORTHWEST... SUMMARY OF 1200 PM MDT...1800 UTC...INFORMATION ----------------------------------------------- LOCATION...18.6N 107.1W ABOUT 155 MI...250 KM SW OF CABO CORRIENTES MEXICO ABOUT 350 MI...560 KM SSE OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...NNW OR 345 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...998 MB...29.47 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Manzanillo northward to Cabo Corrientes A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case during the next 24 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 1200 PM MDT (1800 UTC), the center of Tropical Storm Madeline was located near latitude 18.6 North, longitude 107.1 West. Madeline is moving toward the north-northwest near 9 mph (15 km/h). A turn toward the northwest is expected by this evening, followed by a turn toward the west-northwest and west on Monday and Tuesday. On the forecast track, the center of Madeline is expected to turn away from the coast of Mexico during the next couple of days. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Little change in strength is forecast during the next day or so. Weakening is expected to begin on Monday, and Madeline is likely to degenerate into a post-tropical remnant low on Tuesday. Tropical-storm-force winds extend outward up to 150 miles (240 km) from the center. The estimated minimum central pressure is 998 mb (29.47 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Storm Madeline can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDEP4 and WMO header WTPZ44 KNHC and on the web at hurricanes.gov/text/MIATCDEP4.shtml. RAINFALL: Outer bands from Madeline are forecast to produce rainfall totals of 2 to 4 inches with local maximum totals of 6 inches today into Monday across mainly coastal portions of the following Mexican States: Colima, Jalisco, and Nayarit. These heavy rains may produce localized flash and urban flooding, along with possible mudslides in areas of higher coastal terrain. WIND: Tropical storm conditions are possible within the watch area today and tonight. SURF: Swells generated by Madeline will affect portions of the southwest coast of Mexico for the next few days. High surf associated with Madeline will spread northward and begin to affect the coast of the Baja California peninsula today into Monday. 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 Berg