MIAMI (AP) — Forecasters say Tropical Storm Tammy formed Wednesday in the Atlantic Ocean.
The Miami-based National Hurricane Center said the storm was located Wednesday afternoon to the east of the Windward Islands in the central tropical Atlantic Ocean.
Tropical storm watches have been issued for portions of the Lesser Antilles.
Photos: Billion-dollar US hurricanes and tropical storms since 1980
Hurricane Allen – 1980
A gigantic clean-up task is underway along the Texas Gulf Coast where hurricane Allen left his mark after stomping ashore on Sunday morning. Here workmen clear debris from around overturned pleasure boats at the Corpus Christi marina, Texas on August 12, 1980. (AP Photo/Ted Powers)
Hurricane Alicia – 1983
Employees of the Spin-N-Mart food store in Baytown take inventory and clean up what was left over after Hurricane Alicia stripped off the roof, Aug. 20, 1983. (AP Photo/Ron Heflin)
Hurricane Elena – 1985
Two Gulfport, Miss., men look at cars damaged when a tornado tore the roof off a school on Monday, Sept. 2, 1985 in Gulfport, Mississippi. The tornado followed in the wake of Hurricane Elena whose eye came ashore over Biloxi/Gulfport. (AP Photo/Tannen Maury)
Hurricane Hugo – 1989
FILE- In this Sept. 23, 1989 file photo, Lou de Liesseline pauses in despair after looking at the damage to her home on Folly Beach. The water surge caused by Hurricane Hugo moved the house off its foundations and back 100 feet. Hurricane Hugo might have been the first modern U.S. storm ushering in an era of live TV coverage and large scale coastal evacuations. (AP Photo/J. Scott Applewhite, File)
Hurricane Bob – 1991
New England regional FEMA chief Ed Thomas, right, talks with Frank and Mary Mahady, Sept. 25, 1991 of Mattapoisett, Mass., whose home, seen intact in far background, survived Hurricane Bob because it was built to be hurricane-resistant. Federal officials are trying to convince people rebuilding structures to follow hurricane-resistant construction plans. (AP Photo/Stephen Rose)
Hurricane Iniki – 1992
A Poipu Beach resort on the Hawaiian island of Kauai is heavily damaged following high winds and rain from Hurricane Iniki, Sept. 12, 1992. The island remains without electricity and the airports are closed. (AP Photo/Reed Saxon)
Hurricane Opal – 1995
Hurricane Opal’s devastation to housing along Panama City Beach, Fla., is shown in an Oct. 5, 1995 file photo. Insurers are watching a new hurricane season blow into Florida hoping to “dodge bullets” again. (AP Photo/Mark Foley, File)
Hurricane Erin – 1995
Emergency medical crews on ATV patrol keep a sharp eye out for residents who may need medical aide Sunday, Oct. 8, 1995, during the second day residents were allowed back on Pensacola Beach to check on personal property damaged by Hurricane Erin. This view is of Ariola Drive on the gulf-side of Pensacola Beach which was one of the hardest hit areas in Pensacola. (AP Photo/Pensacola News Journal,Bruce Graner)
Hurricane Fran – 1996
A house sits in the surf, Tuesday, Oct. 8, 1996, left in ruins after Hurricane Fran struck the tiny beach town of North Topsail in early September. Nearly every house received major damage from the storm. Preparation for a storm season is incumbent on consumers to strengthen existing properties now or construct new homes or major remodel projects as best they can to fend off storm damage this year and in succeeding years. (AP Photo/Karl DeBlaker)
Tropical Storm Frances – 1998
Shawn Anderson, left, and Victoria Dues hold onto a street sign after their car stalled out while driving through floodwaters caused by Tropical Storm Frances Friday, Sept. 11, 1998, in Houston. The storm hit land early Friday and storms dumped heavy rain on the Houston area, flooding streets and homes throughout the city and outlying areas. (AP Photo/Brett Coomer)
Hurricane Georges – 1998
FILE – In this Sept. 25, 1998 file photo, taken by Dave Martin, Key West residents Brian Goss, left, George Wallace and Michael Mooney, right, hold on to each other as they battle 90 mph winds along Houseboat Row in Key West, Fla., after the three had sought shelter behind a Key West hotel as Hurricane Georges descended on the Florida Keys. They were forced to seek other shelter when the storm conditions became too rough. Martin, a longtime Associated Press photographer based in Montgomery, Ala., died after collapsing on the Georgia Dome field at the Chick-fil-A Bowl footballg ame on Tuesday, Dec. 31, 2013. Martin was 59. (AP Photo/Dave Martin, File)
Hurricane Floyd – 1999
Residents of Portsmouth, Va., form a line to receive drinking water being distributed by the Virgina National Guard in a shopping mall parking lot Friday, Sept. 17, 1999. Distribution was to begin at noon with residents arriving as early as 9:00 a.m. to wait in line. Water still had not arrived by late afternoon. More than 100,000 people living in Portsmouth and parts of Chesapeake and Suffolk Virginia are without water in the aftermath of Hurricane Floyd. Officials say it may be as long as seven to 10days before the water system is back on line. (AP Photo/Stephan Savoia)
Tropical Storm Allison – 2001
After losing electricity and backup generators due to flooding from Tropical Storm Allison, doctors and nurses at Herman Hospital evacuate a critically ill patient down powerless escalator stairs in Houston, in a Saturday, June 9, 2001 file photo. Officials of Houston hospitals say that as a result of the 2001 disaster, their institutions are in better shape to face Hurricane Rita. (AP Photo/Michael Stravato, File)
Hurricane Andrew – 1992
The devastation left by Hurricane Andrew is clear in this Sept. 4, 1992 aerial file photo over Florida City, Fla. The storm damage to Florida City, Homestead and other small cities south of Miami was estimated at $30 billion, leaving some 180,000 people homeless. (AP Photo/Mark Lennihan, File)
Hurricane Lili – 2002
In this Oct. 3, 2002 file photo, Eusie Leboeuf of Pointe Aux Chenes, La., plays in the water in front of the Knights of Columbus Hall. A levee in this small south Louisiana town broke as Hurricane Lili came ashore, causing hundreds of homes to be flooded. It is the second time in ten years that Pointe Aux Chenes has flooded because of hurricanes. (AP Photo/Dave Martin, file)
Hurricane Isabel – 2003
Dozens of people gather in flooded downtown Annapolis, Md., Sept. 19, 2003, to see the water damage from Hurricane Isabel. Rising tides fed by high winds and rains from Isabel pushed water inland to low-lying areas around the Chesapeake Bay and Potomac River flooding homes and businesses. Shortly after Hurricane Katrina swept across the south, Cambridge Mayor Cleveland Rippons met with Dorchester County emergency officials and hosted a town hall meeting, in partto reassure residents about the city’s disaster response plan. (AP Photo/Susan Walsh)
Hurricane Charley – 2004
A Port Charlotte hardware store worker tries to salvage items from the store Saturday afternoon Aug. 14, 2004, in Port Charlotte, Fla. Hurricane Charley plowed through the area Friday afternoon leaving behind a path of destruction. (AP Photo/Chris O’Meara)
Hurricane Frances – 2004
Workers try to clear a mud slide on Interstate 40 outside of Black Mountain, N.C., Thursday, Sept. 9, 2004 after the remnants of Hurricane Frances brought heavy rains and flooding to the area. (AP Photo/Chuck Burton)
Hurricane Ivan – 2004
McKinleyville, W.Va. resident Bob Ohler walks through the debris left behind in Buffalo Creek, Tuesday, Sept. 21, 2004, in McKinleyville, after flooding from remnants of Hurricane Ivan last Friday devasted the rural Brooke County town. (AP Photo/Dale Sparks)
Hurricane Jeanne – 2004
Faith Glionna sits outside her nail salon as she waits for power to be retored in Indialantic, Fla., on Tuesday, Sept. 28, 2004. Glionna lost her home to Hurricane Frances three weeks ago and moved in with her mother, whose roof was blown off when Hurricane Jeanne struck the Florida coast last weekend. (AP Photo/Dave Martin)
Hurricane Dennis – 2005
Residents of Navarre Beach, Fla., walk past damage from Hurricane Dennis Monday, July 11, 2005. (AP Photo/John Bazemore)
Hurricane Katrina – 2005
Homes destroyed by Hurricane Katrina are shown in this aerial view, Tuesday, Aug. 30, 2005, in New Orleans. (AP Photo/David J. Phillip)
Hurricane Katrina – $180 billion in damage
Emanuel Honeycutt is followed by his son Emanuel Jr., 11, as he carries his daughter Eman, 9, through floodwaters in the French Quarter in New Orleans, Tuesday, Aug. 30, 2005, after the area was hit by Hurricane Katrina. Officials called for a mandatory evacuation of the city, but many resident remained in the city. (AP Photo/Eric Gay)
Hurricane Rita – 2005
Erroll Dominque walks through his ruined area of cane fields Nov. 7, 2005 in Erath, La. Hay rolls and other debris floated into his fields from the tidial surge caused by hurricane Rita. (AP Photo/Judi Bottoni)
Hurricane Wilma – 2005
Mark Gordon sits on a mattress in his homemade shelter in a Plantation, Fla. Wednesday, Nov. 30, 2005, one month after Hurricane Wilma destroyed the home he was living in. The shelter is in the middle of hurricane-littered parking lot on the day hurricane season ends. He is doing odd jobs for FEMA crews cleaning up after the storm. (AP Photo/J. Pat Carter)
Hurricane Ike – 2008