Tropical Storm Isaias formed in the southwestern Gulf on Wednesday morning and is primed to “rapidly strengthen” into a dangerous hurricane en route to landfall on the northern Gulf Coast.

Hurricane Isaias continued its trek toward the U.S. Gulf Coast early Thursday, with a landfall expected late Friday as a dangerous hurricane, driving life-threatening storm surge, damaging winds and f...

Ahead of the storm, oil and gas producers shut down a significant share of offshore production in the Gulf, which accounts for almost 15% of crude pumped annually in the U.S.