...EXPECTED TO BECOME A HURRICANE IN A DAY OR SO OVER THE CENTRAL ATLANTIC...
Tropical Storm Humberto Advisory Number 4
NWS National Hurricane Center Miami FL AL082025
1100 AM AST Thu Sep 25 2025
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
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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
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There are no coastal watches or warnings in effect.
DISCUSSION AND OUTLOOK
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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
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None
Forecaster Cangialosi
