On its current forecast track, Alberto is expected to continue its slow journey north until making a turn to the northwest Monday as it approaches the north-central Gulf coast, the hurricane center said. The National Hurricane Center in Miami issued tropical storm warnings for parts of Florida and Alabama, saying tropical storm conditions are possible there by Sunday night.
He added, "If any Florida family doesn't have an emergency preparedness plan, now is the time to act". Lifeguards posted red flags along the white sands of Pensacola Beach, where swimming and wading are banned due to high surf and risky conditions. "That brings us mainly cloudy skies and a good chance for showers and a few thunderstorms, with some locally heavy downpours possible, and some potential for localized flash flooding".
Florida Governor Rick Scott issued an emergency notice for all of the state's 67 counties.
"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.
The Air Force Reserve's Hurricane Hunters again flew out Saturday to gather data on the storm, and it has not strengthened much if at all, the center says.
The NHC expects the storm to make landfall late Monday or early Tuesday around the MS or Alabama coast, at which point its strength should decrease and it will become a tropical depression.
An official from the National Weather Service warns that even after Subtropical Storm Alberto passes, there's still a risk for rip currents. The storm is also pushing rain bands towards the coast, Gardner said, so there could be some heavy rain there as well. In Gulf County, T. H. Stone Memorial St. Joseph Peninsula State Park began evacuations Sunday morning. Temperatures will heat up late this week as rain chances go down a little bit.
In the Baltimore suburb of Ellicott City, a massive storm caused flash flooding on Sunday that swept through its historic Main Street area, local news video showed.
The National Hurricane Center dropped the lingering Tropical Storm Warning for the northern half of Longboat Key and Tampa Bay in its 5 p.m. bulletin. An average hurricane season produces 12 named storms, of which six become hurricanes, including three major hurricanes.
It is forecast to drop as much as 30cm (12in) of rain across MS to western Georgia and to bring storm swells of about 60-120cm (2-4ft) to low-lying areas.