22.4.10

3.3 Ike

As a historical comparison, on September 8, 1900 the Galveston Hurricane of 1900 landed along a path similar to Ike's, bringing with it a storm surge that inundated most of Galveston Island, which was Texas' largest city and a major U.S. port. As a result, much of the city was destroyed, and at least 6,000 people were killed in a few hours. Engineers subsequently increased the average elevation of the island by 4 ft (1.2 m) and constructed a 17-foot (5.2-m) seawall to block incoming waves.

On Sept. 10,2008 U.S. President George W. Bush made an emergency declaration for Texas in advance of Hurricane Ike, making more federal help available for preparations and evacuations.[42]

On Sept. 11, forecasting models began to show Ike making landfall just south of Galveston. City Manager Steven LeBlanc late Wednesday issued a mandatory evacuation order for the low lying west end of Galveston Island.[47] Later, the mandatory evacuation order was extended to the entire island of Galveston, as well as low-lying areas around Houston, Texas.[48] Residents evacuating ahead of Ike were received by emergency workers in the Dallas/Fort Worth Metroplex. The fleeing residents were provided a place of refuge, medical treatment, and provisions until Ike had passed. After Hurrican Katrina devastated the Gulf Coast and submerged New Orleans, the DFW area became a place for New Orlean residents to recover from the storms destructive forces. The DFW area was still providing relief to evacuees from Gustav earlier in the 2008 hurricane season when it began preparations for Texas coastal residents leaving prior to Ike's arrival

Also on Sept. 11, at 8:19 p.m. (CDT), the National Weather Service in Houston/Galveston, TX issued a strongly worded bulletin, regarding storm surge along the shoreline of Galveston Bay. The bulletin advised that residents living in single-family homes in some parts of coastal Texas may face "certain death" if they did not heed orders to evacuate.[49][50][51][52] Reports said as many as 40 percent of Galveston's citizens may have not paid attention to the warnings.[53] It was feared to be much the same in Port Arthur, and it was predicted that low-lying areas between Morgan City, Louisiana and Baffin Bay, Texas, particularly those areas east of Ike's projected eye landfall would experience the greatest damage from storm surges of up to 20 feet (6.1 m). Waves at sea were expected to be higher, up to 70 feet (21 m) according to computer simulations.[54]

The price of gas increased in the expectation of damage to some of the numerous oil refineries along the South Texas coast, or at least delays in production from the oil and gas platforms in the Gulf of Mexico.[55]
On the morning of September 13, 2008, the eye of Hurricane Ike approached the upper Texas coast, making landfall at 2:10 a.m. CDT over the east end of Galveston Island, with a high storm surge, and travelled north up Galveston Bay, along the east side of Houston [98] (see storm-path image). People in low-lying areas who had not heeded evacuation orders, in single-family one- or two-story homes, were warned by the weather service that they may "face certain death" from the overnight storm surge,[51] a statement that turned out to be true for some unable to evacuate.[99]

In regional Texas towns, electrical power began failing on September 12 before 8 p.m. CDT,[51] leaving millions without power (estimates range from 2.8 million[100] to 4.5 million [101] customers). Grocery store shelves in the Houston area were left empty for weeks in the aftermath of the storm.[102]


Flood waters begin to rise in a neighborhood of Bayou Vista, Texas.In Galveston, by 4 p.m. CDT (2100 UTC) on September 12, the rising storm surge began overtopping the 17-ft (5.2 m) Galveston Seawall, which faces the Gulf of Mexico;[51] waves had been crashing along the seawall earlier, from 9 a.m. CDT.[103] Although Seawall Boulevard is elevated above the shoreline, many areas of town slope down behind the seawall to the lower elevation of Galveston Island.

No comments:

Post a Comment