2008 Atlantic hurricane season 18 named storms, 7 to 10 hurricanes, and 3 to 6 major hurricanes. WSI, meanwhile, issued their final seasonal outlook on August 27, reaffirming their numbers from the previous month. The 2008 hurricane season saw the first occurrence of major hurricanes in the months of July through November. Four storms formed before the start of August, and the season also had the earliest known date for three storms to be active on the same day: Hurricane Bertha, and Tropical Storms Cristobal and Dolly were all active on July 20. This season was also one of only nine Atlantic seasons on
Hurricane Dolly (2008) from some of its rigs, and the Rowan Companies also evacuated one of their eight oil rigs in the Gulf. Also on July 21, Chevron announced that it was evacuating some of its workers from its oil rigs in the Gulf, but did not disclose how many were removed. On July 22, BP announced the evacuation of non-essential personnel from two of its rigs, and on July 23, Petróleos Mexicanos evacuated 66 people from one of its rigs. In spite of this, oil production was not expected to be affected by Dolly. In Texas, Governor Rick Perry activated 1,200 members