Issued at 900 AM CST Thu Aug 07 2025
000 WTPZ34 KNHC 071455 TCPEP4 BULLETIN Tropical Storm Ivo Advisory Number 4 NWS National Hurricane Center Miami FL EP092025 900 AM CST Thu Aug 07 2025 ...TINY IVO CONTINUES MOVING QUICKLY WEST-NORTHWESTWARD... SUMMARY OF 900 AM CST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...17.8N 104.4W ABOUT 305 MI...490 KM WNW OF ACAPULCO MEXICO ABOUT 500 MI...805 KM SE OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 24 MPH...39 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- Interests along the coast of southwestern Mexico should continue to monitor the progress of Ivo. DISCUSSION AND OUTLOOK ---------------------- At 900 AM CST (1500 UTC), the center of Tropical Storm Ivo was located near latitude 17.8 North, longitude 104.4 West. Ivo is moving quickly toward the west-northwest near 24 mph (39 km/h). The system is forecast to move generally parallel to, but offshore of, the coast of Mexico during the next day or so and turn westward away from Mexico thereafter. Maximum sustained winds have increased to near 45 mph (75 km/h) with higher gusts. Strengthening is forecast, and Ivo is expected to be near hurricane strength by the end of the week. Tropical-storm-force winds extend outward up to 35 miles (55 km) from the center. The estimated minimum central pressure is 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Tropical Storm Ivo is expected to produce storm total rainfall of 2 to 4 inches, with isolated maximum totals of 6 inches, across portions of the Mexican states of Guerrero, Michoacan de Ocampo and Colima through Friday. This would result in an elevated risk for flash flooding. For a complete depiction of forecast rainfall associated with Tropical Storm Ivo please see the National Weather Service Storm Total Rainfall Graphic available at hurricanes.gov/graphics_ep4.shtml?rainqpf SURF: Swells generated by Ivo will be affecting the southwestern coast of Mexico during the next couple of days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. A depiction of rip current risk for the United States can be found at: hurricanes.gov/graphics_ep4.shtml?ripCurrnets NEXT ADVISORY ------------- Next complete advisory at 300 PM CST. $$ Forecaster Papin