Clouds are still lingering over the region, and as the storm continues its northerly push with a forecast Monday landfall in the Florida Panhandle, it is drawing significant moisture from the south, according to the National Weather Service.
The hurricane center said a tropical storm warning was in effect from the Suwannee River in Florida to the Alabama-Florida state line.
A Tropical Storm Warning means tropical storm conditions are expected with winds sustained at 39 miles per hour or greater.
The storm's effects were being felt in South Florida, in the Keys and across the state, with 1 to 3 inches of more rain expected Monday, forecasters said, in areas already saturated from an above-normal rainfall in May.
Forecasters had feared the storm could bring unsafe high water to southern coastal states and possible tornadoes.
Forecasters say what's left of the first named storm of the Atlantic hurricane season is still capable of causing flash flooding, however.
At 700 PM CDT (0000 UTC), the center of Subtropical Storm Alberto was located near latitude 30.9 North, longitude 86.1 West. Parts of Florida, Georgia and Alabama could get from 4 to 8 inches (10 to 20 centimeters) with some areas getting as much as a foot of rain.
"On the forecast track, the center of Alberto will move over the northern Gulf of Mexico tonight and cross the northern Gulf Coast in the warning area on Monday", the center said.More news: Brigitte Nielsen pregnant at 54
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Between four and eight inches of rain could pummel Florida Panhandle, eastern and central Alabama, and western Georgia.
Alberto made a Memorial Day landfall near Laguna Beach, Fla, just west of Panama City, andofficials warned of risky conditions even though its maximum sustained winds fell to 45 miles per hour.
In Miami, organizers called off the sea portion of the Miami Beach Air & Sea Show on Sunday because of heavy rain and rough waters.
The first named storm of the 2018 Atlantic Hurricane Season made landfall Monday afternoon near Laguna Beach, Florida - just west of Panama City Beach and almost 300 miles west of Jacksonville.
AccuWeather Hurricane Expert Dan Kottlowski stressed that the subtropical storm classification is only in reference to the fact that Alberto is not considered a pure tropical system.
Along with the devastating flooding, the subtropical storm has also brought power outages. Flooding will be a concern for the Gulf Coast and as far north as IN where Flash Flood Watches have been issued.
It's been a rainy month because the area had a later Spring than usual with temperatures not warming up until this month, Mott said. Rain will not be widespread, but a few storms could be possible.