Subtropical Storm Alberto stronger on move toward US Gulf Coast

MIAMI -- Subtropical Storm Alberto has gained strength as it approaches the northern Gulf Coast.

Forecasters say Alberto was centered about 195 miles (315 kilometers) west of Tampa, Florida, at 7:30 p.m. EDT. It is moving to the northwest at 10 mph (17 kph).

The National Hurricane Center says that Alberto now has top sustained winds of 65 mph (100 kph) but that little further strengthening is expected before Alberto reaches the Gulf Coast sometime Monday.

The center says the storm is dropping heavy rain and that isolated tornadoes are possible in parts of Florida in the coming hours as the system approaches.