Hurricane Harvey Strengthens, Threatens U.S. with Most Powerful Storm in 12 Years

Storm heads for Texas cities of Corpus Christi and Houston, home to major oil refineries

NOAA's GOES-East satellite provided a visible-light image of Tropical Storm Harvey in the western Caribbean Sea on Aug. 24.

Join Our Community of Science Lovers!

GALVESTON, Texas (Reuters) - Hurricane Harvey intensified early on Friday into potentially the biggest hurricane to hit the U.S. mainland in more than a decade, as authorities warned locals to shelter from what could be life-threatening winds and floods.

Harvey is set to make landfall late Friday or early Saturday on the central Texas coast where Corpus Christi and Houston are home to some of the biggest U.S. refineries. Oil and gas operations have already been affected and gasoline prices have spiked.

“Now is the time to urgently hide from the wind. Failure to adequately shelter may result in serious injury, loss of life, or immense human suffering,” the National Weather Service said.


On supporting science journalism

If you're enjoying this article, consider supporting our award-winning journalism by subscribing. By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today.


Harvey grew into a category 2 storm with winds of 105 mph (169 kph) as it moved northwest about 185 miles (295 km) off Port O’Connor, Texas, the National Hurricane Center said.

Up to 35 inches (97 cm) of rain are expected over parts of Texas, with winds up to 125 mph, and sea levels may surge as high as 12 feet (3.7 meters). Louisiana could get 10 to 15 inches of rain. Flood warnings are in effect for Louisiana and northern Mexico.

“Life-threatening and devastating flooding expected near the coast due to heavy rainfall and storm surge,” the hurricane center said.

The storm’s approach triggered evacuations and forced the cancellation of classes on Friday at dozens of schools along the south Texas coast, home to 5.8 million people from Corpus Christi to Galveston.

It also forced the cancellation or delay of at least 40 flights in and out of major airports in Texas on Friday, according to Flightaware.com, a site that tracks airline traffic.

Louisiana and Texas declared states of disaster, authorizing the use of state resources to prepare for the storm. President Donald Trump has been briefed and is ready to provide resources if needed, the White House said on Thursday.

Harvey is forecast to come ashore as a Category 3 hurricane, the National Hurricane Center said, the third most powerful on the Saffir-Simpson scale. That would make it the first major hurricane to hit the mainland United States since Hurricane Wilma struck Florida in 2005.

The NHC expects Harvey to move slowly over Texas and linger over the state for days. Houston, the nation’s fourth most populous city, warned residents of flooding from close to 20 inches of rain over several days.

GASOLINE PRICES SPIKE

More than 45 percent of the country’s refining capacity is along the Gulf Coast, and nearly a fifth of the nation’s crude oil is produced offshore. Ports from Corpus Christi to Texas City, Texas, were closed to incoming vessels.

The government said 9.6 percent of crude output capacity was shut and 14.6 percent of natural gas production was halted.

Three refineries in Corpus Christi and one farther inland at Three Rivers were shutting down ahead of the storm. Concern that Harvey could cause shortages in fuel supply drove benchmark gasoline prices to a three-week high.

One other refinery reduced output and others were considering shutting.

Prices for gasoline in spot physical markets on the Gulf Coast rose even more, hitting a one-year high.

Profit margins for refineries producing gasoline rose by more than 12 percent on Thursday, on course for their biggest daily percentage gain in six months, according to Reuters data.

Royal Dutch Shell Plc, Anadarko Petroleum Corp and Exxon Mobil Corp have evacuated staff from offshore oil and gas platforms in the storm's path.

The storm could also bring flooding to shale oil fields in southern Texas that produce more than one million barrels of oil a day.

EOG Resources Inc said it had curtailed drilling and shut some production in the Eagle Ford shale region. Noble Energy Inc and Statoil ASA also said they were evacuating some staff from production facilities.

For a graphic on Hurricane Harvey, click: here

It’s Time to Stand Up for Science

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in that two-century history.

I’ve been a Scientific American subscriber since I was 12 years old, and it helped shape the way I look at the world. SciAm always educates and delights me, and inspires a sense of awe for our vast, beautiful universe. I hope it does that for you, too.

If you subscribe to Scientific American, you help ensure that our coverage is centered on meaningful research and discovery; that we have the resources to report on the decisions that threaten labs across the U.S.; and that we support both budding and working scientists at a time when the value of science itself too often goes unrecognized.

In return, you get essential news, captivating podcasts, brilliant infographics, can't-miss newsletters, must-watch videos, challenging games, and the science world's best writing and reporting. You can even gift someone a subscription.

There has never been a more important time for us to stand up and show why science matters. I hope you’ll support us in that mission.

Thank you,

David M. Ewalt, Editor in Chief, Scientific American

Subscribe