A hurricane and a tropical storm spun through the Atlantic Ocean on Thursday morning, and were expected to gain strength, but neither posed an immediate threat to land, the National Hurricane Center said in its 11 a.m. update.
The National Hurricane Center has upgraded Tropical Storm Danielle to a hurricane, the second of the Atlantic season.
Tropical Storm Danielle has formed in the Atlantic Ocean, about 725 miles (1,165 kilometers) west of the southernmost Cape Verde Islands, the National Hurricane Center said Sunday.
A tropical depression moving through the Atlantic Ocean will likely become a hurricane, the National Hurricane Center said Saturday, though the storm is not expected to make landfall.
Scientists at the Woods Hole Oceanographic Institution said they detected a plume of hydrocarbons in June that was at least 22 miles long and more than 3,000 feet below the surface of the Gulf of Mexico, a residue of the BP Deepwater Horizon oil spill.
Mexican President Felipe Calderon promised federal aid to three states after torrential rains soaked the area, leaving at least 15 dead and forcing the evacuation of thousands.
The latest tropical depression swirling in the Gulf of Mexico made landfall on South Padre Island, Texas, Thursday with sustained winds of 35 mph, the National Hurricane Center said.
Two international bridges between Nuevo Laredo, Mexico, and Laredo, Texas, were closed Wednesday because of rising water on the Rio Grande, Laredo officials said.
Communities in northeastern Mexico found themselves flooded and isolated Tuesday as Mexico's National Water Commission tried to manage high levels at area reservoirs due to Hurricane Alex.
At least six people have died in the Mexican state of Nuevo Leon from rain associated with former Hurricane Alex, which stormed ashore late Wednesday, the government news agency said Friday.
The odds of a weather system in the northern Gulf of Mexico becoming a tropical depression or storm improved Monday evening, but the storm's proximity to shore gives it little time to develop, the National Hurricane Center reported Monday.
On a wind-beaten drilling rig a few miles off Louisiana's coast, things are getting dicey.
CNN's Randi Kaye teams up with Gov. Bobby Jindal to sees how Hurricane Alex affected the Louisiana coast.
A cap on BP's ruptured undersea well appeared to be bouncing in the water Friday, raising the possibility that BP has been capturing less oil than in past days.
Tropical Storm Alex continued to weaken Thursday as it slogged across Mexico, with top sustained winds decreasing to near 40 mph with higher gusts, the National Hurricane Center said.
CNN's Reynolds Wolf reports that the brunt of Hurricane Alex misses South Padre Island, Texas.
CNN's Tom Foreman reports on Hurricane Alex's effect on the BP oil spill clean up
Oil could flow unrestricted for two weeks into the Gulf of Mexico if a hurricane moved toward the BP oil spill, according to a timeline from Coast Guard Adm. Thad Allen, who's managing the federal government's response to the disaster.
Heavy rains pelting northeastern Mexico left at least one person dead and thousands more in shelters as Hurricane Alex moved inland, Mexican emergency officials said early Thursday.
Hurricane Alex was aiming its fury toward southern Texas and northeastern Mexico on Wednesday as it churned in the western Gulf of Mexico, but it was "moving in no hurry," the National Hurricane Center said.
As Hurricane Alex spins toward northeastern Mexico and southern Texas, airlines are rolling out policy waivers for travelers likely to be affected by the storm.