Updated at 19:01 ET
Florida Governor Rick Scott declared a state of emergency for sub-tropical storm Alberto in all 67 districts on Saturday.
"While we observe the subtropical storm Albertos northern route to Florida, it is vital that all Florida counties have every available resource to keep families safe and to prepare for the torrential rain and heavy floods that this Storm, "Scott said in a written statement.
He added, "If any Florida family does not have a contingency plan, now is the time to act."
Alberto is expected to travel through the eastern Gulf of Mexico Saturday night until Monday and approach the northern part of the Gulf, where it could land Monday night.
Regardless of his path and intensity, Alberto expected to bring heavy rains of more than 10 inches and lightning floods to West Cuba and South Florida, said the National Hurricane Center
A storm surge guard is in fact along the way US Gulf Coast, from Crystal River to the mouth of the Mississippi River. Water could reach up to 4 feet off the ground in some areas when the peak rise occurs during the flood, the agency said on Facebook.
A tornado "or two" may occur over the Florida Keys and parts of southwest Florida late Saturday afternoon or evening.
On Thursday, the National Hurricane Center saw its eyebrows rise when saw a 90 percent chance of forming a subtropical or tropical cyclone over the weekend in the central or eastern part of the Gulf of Mexico.
On Friday morning, the agency announced that it had developed a low pressure area in the Caribbean in Subtropical Storm Alberto with maximum steady winds of 40 miles per hour. On Saturday morning, the storm increased as he moved north.
Between Hurricane Harvey in Texas, Irma in the Caribbean and Southeastern United States and Maria in Puerto Rico, last year was one of the most active hurricane seasons ever, said the National Oceanic and Atmospheric Administration.
NOAA does not expect 2018 to be so busy, but it could still devastate human life and infrastructure.
One of the deadliest natural disasters in US history occurred in Florida 90 years ago. In 1928, hurricane Okeechobee caused the deaths of at least 2,500 people.
"Nobody seemed too alarmed," one survivor told Sun Sentinel "until the water began." According to the newspaper, politicians at the time played down the severity of the storm to prevent tourists from coming to Florida as a holiday resort.
Here are the key messages for #Alberto from 10am CDT / 11pm EDT. Heavy rains and flash floods over West Cuba and South Florida will continue until today. Tropical storms could reach the northern Gulf Coast on Sunday evening. https://t.co/tW4KeGdBFb pic.twitter.com/hdOmShnh4m
– NHC Atlantic Ops (@NHC_Atlantic) May 26, 2018
While visiting Panama City Beach yesterday, Scott said, "We've already got some of Fish and Wildlife's flood vehicles on the panhandle."
Later on Saturday, Alabama governor Kay Ivey also issued state of emergency, effective at 6:00 am local time, for the following counties: Autauga, Baldwin, Barbour, Bibb, Bullock, Butler, Chambers, Chilton, Choctaw, Clarke, Coffee, Conecuh, Coosa, Covington, Crenshaw, Valley, Dallas, Elmore, Escambia, Geneva, Greene, Hale, Henry, Houston, Lee, Lowndes, Macon, Marengo, Mobile, Monroe, Montgomery, Perry, Pickens, Pike, Russell, Sumter, Tallapoosa, Tuscaloosa, Washington and Wilcox
National Weather Service projects Alberto will hit Alabama on Saturday, with the country's heaviest rain coming closer to the coast by the middle of next week. Some locations could see 10 to 15 inches, causing severe lightning and river flooding. Much of the state is also under a tornado warning, near the coast Sunday, at least Tuesday night in North Alabama.
"All Alabamians should take their time to prepare for the potential of significant flooding .I have essentially directed state agencies to be ready should they be needed in the next few days," Governor Ivey said in a written statement.
These state agencies include the Emergency Center in Clanton and the Alabama National Guard, which mobilized its High Water Evacuation Teams
"There is still uncertainty as to where landfall will occur, probably late Monday or early Tuesday morning Alabama Emergency Management Agency director Brian E. Hastings said, but he urged residents and tourists will stay informed about the latest regional forecasts.
Alberto is the first named storm of 2018, and days are coming before the Atlantic hurricane season officially begins on June 1st.