Public Tropical Cyclone Advisory
Issued by NWS
Issued by NWS
921 WTPZ31 KNHC 291440 TCPEP1 BULLETIN Tropical Storm Flossie Advisory Number 2 NWS National Hurricane Center Miami FL EP062025 900 AM CST Sun Jun 29 2025 ...DEPRESSION STRENGTHENS INTO TROPICAL STORM FLOSSIE... ...TROPICAL STORM WATCH EXTENDED NORTHWARD IN MEXICO... SUMMARY OF 900 AM CST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...13.4N 99.9W ABOUT 240 MI...390 KM S OF ACAPULCO MEXICO ABOUT 485 MI...780 KM SE OF MANZANILLO MEXICO MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...W OR 280 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of Mexico has issued a Tropical Storm Watch from Manzanillo northward to Cabo Corrientes. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Watch is in effect for... * Southwest coast of Mexico from Zihuatanejo to Cabo Corrientes A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests elsewhere in southwestern Mexico should monitor the progress of Tropical Storm Flossie. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 900 AM CST (1500 UTC), the center of Tropical Storm Flossie was located near latitude 13.4 North, longitude 99.9 West. Flossie is moving toward the west near 9 mph (15 km/h). A west-northwestward to northwestward motion should begin later today and continue over the next few days. Maximum sustained winds have increased to near 40 mph (65 km/h) with higher gusts. Steady strengthening is forecast during the next few days, and the system is expected to become a hurricane late Monday or Tuesday. Tropical-storm-force winds extend outward up to 105 miles (165 km) from the center. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Tropical Storm Flossie can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDEP1 and WMO header WTPZ41 KNHC. RAINFALL: Tropical Storm Flossie is expected to produce rainfall totals of 3 to 6 inches, with isolated maximum totals of 10 inches, across portions of the Mexican states of Oaxaca, Guerrero, Michoacn, Colima, and Jalisco through early next week. This rainfall may lead to areas of life-threatening flooding and mudslides, especially in areas of steep terrain. For a complete depiction of forecast rainfall associated with Tropical Storm Flossie, please see the National Weather Service Storm Total Rainfall Graphic available at hurricanes.gov/graphics_ep1.shtml?rainqpf WIND: Tropical storm conditions are possible along the coast within the watch area late Monday and Tuesday. SURF: Swells generated by Flossie will affect portions of the coast of southwestern Mexico during the next few days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next intermediate advisory at 1200 PM CST. Next complete advisory at 300 PM CST. $$ Forecaster Kelly