Tropical Storm Gaston over North Carolina, Tropical Storm Hermine of US coast and Hurricane Frances off Leeward Islands in Atlantic Ocean, GOES satellite photo
Hermine's maximum sustained winds have increased to near 45 mph with some additional strengthening expected before the storm makes landfall.
Heavy rain is predicted with northeastern Mexico into south Texas getting 4 to 8 inches with as much as a foot in some places. It could cause flash floods and mudslides.
The storm is located about 280 miles south-southeast of Brownsville, Texas, and is moving north near 10 mph.