Issued at 500 AM AST Fri Sep 19 2025
855 WTNT32 KNHC 190846 TCPAT2 BULLETIN Tropical Storm Gabrielle Advisory Number 9 NWS National Hurricane Center Miami FL AL072025 500 AM AST Fri Sep 19 2025 ...GABRIELLE FORECAST TO STRENGTHEN AND BECOME A HURRICANE BY SUNDAY... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...21.9N 54.8W ABOUT 595 MI...960 KM ENE OF THE NORTHERN LEEWARD ISLANDS ABOUT 945 MI...1520 KM SE OF BERMUDA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Interests in Bermuda should monitor the progress of Gabrielle. DISCUSSION AND OUTLOOK ---------------------- At 500 AM AST (0900 UTC), the center of Tropical Storm Gabrielle was located near latitude 21.9 North, longitude 54.8 West. Gabrielle is moving toward the west-northwest near 12 mph (19 km/h), and this motion is expected to continue today. A gradual turn toward the northwest is forecast by tonight, followed by a north-northwestward motion by Saturday night and northward motion by Sunday night. On the forecast track, the center of Gabrielle is expected to pass east of Bermuda Sunday night and Monday. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Gradual strengthening is forecast, and Gabrielle is expected to become a hurricane by Sunday. Tropical-storm-force winds extend outward up to 150 miles (240 km) from the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Gabrielle can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2 and WMO header WTNT42 KNHC. SURF: Swells generated by Gabrielle are expected to reach Bermuda tonight and build through the weekend. 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 1100 AM AST. $$ Forecaster Berg
NHC Atlantic
