Tropical Storm Debby will strengthen into Category 1 hurricane before making landfall in Florida  NBC NewsTropical Storm Debby Strengthening In The Gulf  The Weather ChannelLatest on Hurricane Debby  WYFF4 GreenvilleDebby strengthens to a hurricane as it pummels Florida with flooding rain, storm surge ahead of landfall  Fox Weather County-by-county: Government offices, school districts, other agencies announce closures ahead of Tropical Storm Debby  WJXT News4JAX