Tropical Depression Four has strengthened into Tropical Storm Debby and is forecast to approach hurricane strength as it heads towards Florida's Big Bend region, with landfall expected late Sunday or early Monday. Over 10 million residents are under tropical alerts, including Hurricane Warnings and Tropical Storm Warnings across central and northern Florida. The National Hurricane Center predicts widespread heavy rainfall of 5-10 inches, with localized totals possibly reaching 15 inches, leading to significant flooding risks. Additionally, storm surge could reach 2-4 feet along parts of the Gulf Coast, with gusts of up to 74 mph anticipated in some areas. Florida Governor Ron DeSantis has declared a state of emergency for 61 counties, mobilizing the National Guard in preparation for severe weather impacts. Residents are urged to prepare for hazardous conditions as the storm approaches, with ongoing updates from local weather authorities.