000 WTPZ34 KNHC 181146 TCPEP4 BULLETIN Tropical Storm Madeline Intermediate Advisory Number 3A NWS National Hurricane Center Miami FL EP142022 600 AM MDT Sun Sep 18 2022 ...HEAVY RAINS FROM MADELINE EXPECTED ALONG PORTIONS OF THE SOUTHWESTERN COAST OF MEXICO... SUMMARY OF 600 AM MDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...18.2N 106.7W ABOUT 165 MI...265 KM SSW OF CABO CORRIENTES MEXICO ABOUT 385 MI...620 KM SSE OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 9 MPH...15 KM/H 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 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 over the next 24 to 36 hours. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 600 AM MDT (1200 UTC), the center of Tropical Storm Madeline was located near latitude 18.2 North, longitude 106.7 West. Madeline is moving toward the north near 9 mph (15 km/h). A gradual turn toward the northwest and then the west is expected through early this week. Maximum sustained winds are near 45 mph (75 km/h) with higher gusts. Some slight strengthening is possible over the next day or so. Weakening is forecast to begin later this week. Tropical-storm-force winds extend outward up to 150 miles (240 km) from the center. The estimated minimum central pressure is 1000 mb (29.53 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 3 to 6 inches with local maximum totals of 8 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 through Monday. 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 Baja California 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 900 AM MDT. $$ Forecaster Berg