The latest advisory has Alberto with winds of 40 miles per hour.
A subtropical cyclone has characteristics of both tropical and extratropical cyclones, and tends to have a broader maximum wind radius than the cone of most tropical cyclones.
The National Hurricane Center predicts that Alberto could have sustained winds of 65 miles per hour - not far from hurricane-force - by Monday when it is approaching the coast near Mobile, Ala., and Biloxi, Miss. The six-month hurricane season doesn't begin until June 1.
As of 2 p.m., Subtropical Storm Alberto which formed Friday morning was almost stationary about 60 miles south of Cozumel, Mexico, and had maximum sustained winds of 40 mph.
The impacts from the system will stay east of Southeast Texas.
These rains could produce life-threatening flash floods and mudslides.
"Gradual strengthening is forecast during the next 48 hours, with little change in strength forecast on Monday", the Hurricane Center said.More news: Atlético defeated Marseille in the final of the Europa League
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"Alberto could bring tropical storm conditions and storm surge to portions of the central and eastern Gulf Coast later this weekend and early next week", the hurricane center said.
For South Florida, the forecast for the weekend calls for a total of 3-7 inches of rain and fairly breezy.
Forecasters and officials have warned for days that, regardless of tropical development, this system could dump up to 8 inches of rain on our already saturated state.
Even though South Florida is not in the projected path of Alberto, the region is on the east side - the wettest side - of the storm.
That system on Sunday and Monday likely will continue moving north and dumping heavy rains along the Gulf Coast.
"Its mostly looking like a heavy rain event", National Weather Service meteorologist John McMichael said. Hurricane Hunters found very little organization within the subtropical storm, which is severely sheared.
Those winds will also kick up surf that could cause rip currents along the entire Gulf of Mexico shoreline over the holiday weekend.