Update: Tropical Storm Edouard Looms in the GOM

Update: As of 1:00 PM CDT, the National Hurricane Center reports that windspeeds of Tropical Storm Edouard have dropped to 45 mph, with stronger gusts.  As of this time, the storm is approximately 145 miles south-southeast of Lafayette, Louisiana.

A tropical storm warning has been issued for the area along the Texas-Louisiana Gulf Coast, spanning the mouth of the Mississippi River west to the San Luis Pass in Texas. Although Tropical Storm Edouard has not grown in strength since the evening of Aug. 3, maximum sustained winds remain at 50 mph. The National Hurricane Center expects the storm's intensity to grow in the next 24 hours through to the morning of Aug. 5.

As of 7 a.m. CDT Aug. 4, Edouard was located at latitude 28.1 north and longitude 90.3 west, approximately 80 miles south-southwest of Grand Isle, Louisiana, and about 285 miles east-southeast of Galveston, Texas. The storm is moving west at 8 mph, and authorities expect it to turn west-northwest sometime on Aug. 4.
The path of the storm is punctuated by multiple drilling rigs, including jackups and semisubs, according to GOMExplorer.com. Ensco and Rowan have the most rigs at risk, with six each. Diamond and Pride have three rigs in the path of the storm, and Hercules and Nabors rigs are also exposed.
According to the Associated Press, ExxonMobil Corp. had not evacuated any offshore workers as of the evening of Aug. 3, but the company stressed that it was "preparing its platforms for heavy wind and rain and considering whether to evacuate some workers."
Additionally, Reuters reported the morning of Aug. 4 that Chevron has taken precautionary measures and started evacuating some of its offshore GOM workers, but that production has not been affected.
Shell reported this morning that the company is performing "limited evacuations of approximately 40 personnel" from its GOM operations, but that the company does not anticipate any impact on Shell-operated production due to the storm.