Tropical Storm Hermine strengthens as it approaches Florida

A satellite image shows Tropical Storm Hermine forming in the Gulf of Mexico on Wednesday. The storm is expected to make landfall north of Tampa late Thursday night or early Friday morning, the National Hurricane Center says. (NASA/NOAA GOES Project)
Tropical Storm Hermine, in the Gulf of Mexico, is growing stronger as it approaches the Florida coast, the National Hurricane Center says.
The storm, which has been moving very slowly, is forecast to strengthen into a hurricane before making landfal