Issued at 500 AM AST Sun Sep 21 2025
000 WTNT32 KNHC 210842 TCPAT2 BULLETIN Tropical Storm Gabrielle Advisory Number 17 NWS National Hurricane Center Miami FL AL072025 500 AM AST Sun Sep 21 2025 ...GABRIELLE EXPECTED TO BECOME A HURRICANE TODAY... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...27.2N 60.0W ABOUT 455 MI...730 KM SE OF BERMUDA MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NNW OR 335 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.39 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 27.2 North, longitude 60.0 West. Gabrielle is moving toward the north-northwest near 9 mph (15 km/h) and this general motion should continue through tonight. A turn toward the north is forecast on Monday, followed by a faster northeastward or east-northeastward motion on Tuesday. On the forecast track, the center of Gabrielle is expected to pass east of Bermuda on Monday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Strengthening is forecast during the next couple of days, and Gabrielle is expected to become a hurricane later today. Tropical-storm-force winds extend outward up to 140 miles (220 km) from the center. The estimated minimum central pressure is 995 mb (29.39 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 will continue to affect Bermuda during the next few days. These swells are expected to reach the east coast of the United States from North Carolina northward, as well as Atlantic Canada, beginning later today and continuing through early this week. 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 Kelly
NHC Atlantic