The storm had maximum sustained winds of 50 miles per hour (85 kph) and was moving north at 8 miles per hour (13 kph).
Alberto is expected to cause heavy rains in South Florida and the Florida Keys while a tropical storm watch is in effect for parts of MS and Alabama.
The flow of moisture out of the South is expected to continue, bringing a chance of daytime showers and thunderstorms to the Triangle through the week and into the weekend, Carroll said.
The National Weather Service says the ground is already saturated from a week of heavy rain and the 5 inches of rain possible through Tuesday could both cause creeks and rivers to flood and mudslides.
US, North Korea to focus on shipping N. Korea warheads overseas
Moon told reporters that Kim "again made clear his commitment to a complete denuclearization of the Korean Peninsula". Some credited Trump's unorthodox brand of diplomacy with helping bring North Korea to the negotiating table.
Continuing on its northward trajectory, Alberto could hit the Florida panhandle Sunday evening or Monday morning, according to AccuWeather.
Subtropical Storm Alberto is pictured nearing the Florida Panhandle in this May 27, 2018 NASA handout photo. As much as two to three inches of rain may come down east of the storm's center through Wednesday morning. Alberto will become the ninth named storm to make landfall on the continental United States before June 1 on record.
A subtropical storm like Alberto has a less defined and cooler center than a tropical storm, and its strongest winds are found farther from its center.
Lifeguards posted red flags along the white sands of Pensacola Beach, where swimming and wading were banned. "Tuesday, things might start picking up again", said Will Corless, also a meteorologist with the weather service in Jacksonville.
Nearly 140 damaging storm reports, including eight tornadoes, were made Sunday from the Midwest into the Rockies, where damage was reported to homes in Wyoming.
Celtics brace for 'dogfight' vs Cavs in Game 7 at home
The Celtics know how much more comfortable they would be closing out at home, but James in a game seven is a different monster. Boston Celtics point guard Kyrie Irving is "in a great place" according to Celtics head coach Brad Stevens. .
Currently, the storm is located just to the northwest of Cuba and classed as "subtropical".
Alberto expected to strengthen until it reaches the northern Gulf Coast, likely on Monday night.
Subtropical Storm Alberto is about to make Memorial Day 2018 a washout when it makes landfall.
Mexico canceled its watch for the resort-dotted coast of the Yucatan peninsula, where the storm brought heavy rain.
Authorities in Howard County, Maryland, said a 39-year-old man was missing after flash flooding from a separate storm tore through the historic downtown of Ellicott City on Sunday. The tropical storm watch along the north-central Gulf Coast has been discontinued.
Thousands evacuate as Storm Alberto churns toward Florida
The storm's remnants could reach Upstate by Wednesday night or Thursday, according to local National Weather Service offices. Isolated heavy pockets of rain area also found within a band just off the west coast of the Florida peninsula up to I-10.
- Indians among 10 dead, several missing as Cyclone Mekunu strikes Yemen, Oman
- Indianapolis 500: Danica Patrick crashes out in final race of her career
- Madrid not feeling like favourites in final - Zidane
- High Prospects of US-North Korea Summit After Trump's Tweet
- No Relief on Petrol Prices Despite Fall in International Oil Prices
- After historic vote, Ireland poised to end abortion ban
- Former teammate says former Saluki who stopped shooter has always been selfless
- Shane Watson inspires Stephen Fleming's Chennai Super Kings to third IPL title
- FDA warns against using teething remedies for babies
- Israeli army kills two militants in Gaza border shelling: Medics