ORLANDO, Fla. – An area of low pressure will move into the Bahamas over the next couple of days, prompting the National Hurricane Center to issue a Special Tropical Weather Outlook.
As the low moves slowly northward, it could begin to gradually acquire subtropical characteristics as early as Thursday or Friday, the NHC said. Officials said there's a 30 percent chance of formation over the next five days.
A subtropical storm has similar characteristics as a tropical storm but has cooler air in the upper levels and doesn't "feed" off warmer water. Subtropical storms can become tropical storms if they move over warmer water.
"The low will stay weak and continue to move to the north, likely staying off the coast of Florida into the end of the week," Local 6 meteorologist Troy Bridges said. "The low moving along the coast later this week could actually bring some dry air and lower rain chances for Central Florida by the end of the week."
The last named storm that formed in May was Alberto, in 2012. The official start of the Atlantic hurricane season is June 1.
The first named storm of 2015 will be called Ana.
Rain chances will be minimal Monday in Central Florida.
"A few showers along the coast will try to move inland, with most of them dying out as they encounter dry air," Bridges said. "Moisture will increase throughout the atmosphere Thursday, with the rain chances at 30 percent Tuesday and Wednesday."
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Hurricane Katrina, a Category 2 storm with winds of 135 mph, made landfall at Empire, La., at about 7 a.m. ET on Aug. 29, 2005.
A mandatory evacuation of New Orleans was ordered in advance of the storm, though some 10,000 refugees sought shelter in the Superdome.
At least 1,836 people were killed in the hurricane and subsequent flooding, making it the deadliest U.S. hurricane since 1928.
Total property damage was estimated at $81 billion, nearly triple the damage wrought by Hurricane Andrew in 1992.
Water more than 12 feet high in some places flooded nearly 80 percent of New Orleans after the levee system failed.
Here are some damage photos from 2006: A school bus was submerged in New Orleans East after Hurricane Katrina hit the area.
This picture shows refugees of Hurricane Katrina who filled the floor of the Astrodome in Houston.
A picture of a house in New Orleans that was marked with the words "Dead Body Inside" and "Help."
Mark Benton, of Louisiana Department of Wildlife and Fisheries, helped rescue 3-month-old Ishmael Sullivan from a school rooftop after he and his mother were trapped with dozens of others in high water after Hurricane Katrina Aug. 30, 2005, in New Orleans.
Prisoner inmates were held at the end of a sunken highway in New Orleans after Hurricane Katrina struck.
Rescue workers pulled a woman from the water who was hanging onto the roof to escape the rising flood waters from Hurricane Katrina on Aug. 29, 2005, in New Orleans.
Here is a picture of residents waiting on a roof top to be rescued from the floodwaters of Hurricane Katrina in New Orleans.
A photo of survivors waiting outside the Superdome to be evacuated Sept. 2, 2005 in New Orleans. Thousands of troops poured into the city Sept. 2 to help with security and delivery of supplies in the wake of the devastating storm.
Sgt. 1st Class Chris Andrews climbed out of a home as he and a fellow New Mexico National Guard member, Specialist Anthony Bustillos, checked for bodies in homes destroyed after Hurricane Katrina passed through Sept. 10, 2005, in Port Sulphur, La.
A picture of evacuation holdouts (L-R) Harold Gee, Randall 'Sharon' Kess and Gary Don Massey hanging on Gee's front porch Sept. 8, 2005, in New Orleans. A group of holdouts in the community banded together after the hurricane made landfall, vowing to remain in New Orleans despite evacuation orders.
Cats and dogs were rescued after being separated from their owners when Hurricane Katrina hit the New Orleans area arrive by chartered jet to Los Angeles International Airport on Sept. 19, 2005, in Los Angeles.
Hurricane Katrina, a Category 2 storm with winds of 135 mph, made landfall at Empire, La., at about 7 a.m. ET on Aug. 29, 2005.
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