Issued at 1100 AM AST Thu Sep 25 2025
000 WTNT33 KNHC 251437 TCPAT3 BULLETIN Tropical Storm Humberto Advisory Number 4 NWS National Hurricane Center Miami FL AL082025 1100 AM AST Thu Sep 25 2025 ...HUMBERTO GAINING STRENGTH... ...EXPECTED TO BECOME A HURRICANE IN A DAY OR SO OVER THE CENTRAL ATLANTIC... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...21.4N 56.8W ABOUT 465 MI...750 KM ENE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 1100 AM AST (1500 UTC), the center of Tropical Storm Humberto was located near latitude 21.4 North, longitude 56.8 West. Humberto is moving toward the northwest near 8 mph (13 km/h). A slow west-northwest to northwest motion is expected during the next couple of days. Maximum sustained winds have increased to near 50 mph (85 km/h) with higher gusts. Significant strengthening is forecast, and Humberto is expected to become a hurricane in a day or so and a major hurricane this weekend. Tropical-storm-force winds extend outward up to 105 miles (165 km) from the center. The estimated minimum central pressure is 1004 mb (29.65 inches). HAZARDS AFFECTING LAND ---------------------- None NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Cangialosi