Subtropical Storm Alberto remains stationary over NW Caribbean Sea

Subtropical Storm Alberto remains stationary over NW Caribbean Sea

In a 10 p.m. update, the National Hurricane Center said Alberto was 180 miles south-southwest of the western tip of Cuba, moving east at 5 mph.

The National Weather Service said there was a 90 percent chance of it becoming a subtropical or tropical cyclone in the Gulf by the weekend. Forecasters expect Alberto to intensify to a tropical storm Friday evening, but do not anticipate it to become a hurricane.

Each list has 21 names, leaving out Q, U, X, Y and Z. If there are more than 21 named storms, the rest will be indicated by Greek letters. Because the ground is already saturated due to all the recent rain we've had, the flooding concern is high. Heavy rain will likely begin to affect the central Gulf Coast region and the southeastern United States later this weekend and continue into early next week.

Tropical storms are formed when a band of low pressure reaches a critical mass with winds above 39mph.

Subtropical Storm Alberto remains stationary over NW Caribbean Sea
Subtropical Storm Alberto remains stationary over NW Caribbean Sea

A visible satellite image of the cluster of thunderstorms forecasters are watching for signs of tropical storm development. Heavy rain and some flooding will be possible for the west coast and South Florida as early as the start of the weekend, with the Central Gulf coast looking at impacts closer to the second half of the long holiday weekend.

A subtropical storm has a less defined and cooler center than a tropical storm, and its strongest winds are found farther from its center.

Flooding is possible in Miami-Dade and Monroe counties after weeks of rain that in some locations pushed total rainfall to more than two or three times the usual May amounts.

The immediate Tampa Bay area could experience tropical storm-force winds by Saturday morning, forecasters said, and conditions along the coast could become risky with high winds and rip currents. Alberto is projected to make landfall somewhere between the Florida Panhandle and southern Louisiana Monday morning. Note the heavy rain that will fall along and to the east of the tropical storm. Additionally, as the wind field strengthens and expands around the system, our winds will increase and there is a threat of some thunderstorm wind damage with sporadic power outages especially Saturday night and Sunday.

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