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