September 11, 2018 10:12 pm
Updated: September 12, 2018 8:29 am

A Category 4 storm could devastate the East Coast, simulation shows. Florence is pushing Category 5

WATCH ABOVE: More than a million people in three states have been told to evacuate as Hurricane Florence pushes closer to land. The storm is continuing to grow as it picks up strength from warm waters in the Atlantic.

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Just months ago, disaster planners simulated a Category 4 hurricane strike alarmingly similar to the real-world scenario now unfolding on a dangerously vulnerable stretch of the East Coast.

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A fictional “Hurricane Cora” barreled into southeast Virginia and up the Chesapeake Bay to strike Washington, D.C., in the narrative created by the Federal Emergency Management Agency and Argonne National Laboratory.

The result was catastrophic damage, which has some experts concerned that Hurricane Florence could produce a disaster comparable to 2005′s Hurricane Katrina and in a part of the country that is famously difficult to evacuate.

READ MORE: Hurricane Florence poised to dump rain on already-swollen rivers, unleash ‘catastrophic’ floods

The simulated hurricane knocked out power for most gas stations in the Mid-Atlantic region, damaged a nuclear power plant and sent debris into major shipping channels, among other problems, according to a Department of Energy simulation manual.

“What they were trying to do was create a worst-case scenario, but it’s a very realistic scenario,” said Joshua Behr, a research professor at Virginia’s Old Dominion University who is involved in disaster modeling and simulations.

WATCH: Tracking Hurricane Florence before it hits Carolinas, Virginia

Florence is also a Category 4 storm and is now forecast to strike the same general area. On Tuesday, the National Hurricane Center’s “cone” displaying Florence’s projected path included the Hampton Roads, Virginia, region where Cora supposedly made landfall.

Senior leaders from the White House, along with more than 91 federal departments and agencies, participated in the “national level exercise” in late April and early May, FEMA said.

READ MORE: Motorists scramble to fill up on gas, flee as ‘vicious’ Hurricane Florence nears North Carolina

The fictional storm made landfall in the heavily populated Hampton Roads region, bringing a 15-foot (4.5-meter) storm surge and up to 9 inches (23 centimeters) of rain to some areas within the first six hours. That cut off main routes — used for escape as well as for rescuers — in the Hampton Roads area and elsewhere.

WATCH: North Carolinians brace for arrival of hurricane Florence

In the scenario, Cora also slammed hurricane-force winds into three nuclear power stations. One was damaged. Thirty-three major power substations were at risk from storm surge and major flooding.

WATCH: Hurricane Florence ‘as big as they’ve seen’: Trump

Key roads and bridges were also damaged, and debris blocked the Newport News Channel and other waterways. Coast Guard Station Cape Charles lost power, and Coast Guard Station Chincoteague was severely damaged by high winds. The ferocious fictional storm also damaged and closed Reagan National Airport in Washington.

The make-believe hurricane threatened hundreds of cell towers, and the area where power was knocked out included 135 data centers in Virginia and another 60 in Maryland.

The Cora scenario projected hurricane-force winds inflicting “catastrophic damage” to homes and significant damage to critical infrastructure within a 50-mile radius of the hurricane’s center.

The manual makes no mention of deaths and injuries, focusing instead on infrastructure.

READ MORE: Hurricane Florence could soon morph into Category 5 storm — but what about Category 6?

WATCH: Trump promises all-out hurricane response effort

Another striking similarity between the scenario and Hurricane Florence’s path: already saturated ground on that part of the Mid-Atlantic coast.

“What I fear is that saturation, combined with a storm that kind of stalls out,” said Behr, who has studied vulnerable populations in the paths of Hurricane Katrina on the Gulf Coast and in the Hampton Roads region.

If parts of the East Coast are deluged with water, it could result in a catastrophe on the scale of Katrina, Behr said. And recovering from a disaster in the Hampton Roads region would also parallel Katrina’s aftermath, he added.

WATCH: Millions of Americans evacuating ahead of Hurricane Florence

“I believe that those patterns are also going to manifest in Hampton Roads if and when a large storm hits,” he said. “The vulnerability of our populations are quite similar to New Orleans. Displacement, pain, suffering, property loss. All those things are going to play out in a fashion that has parallels to how Katrina played out.”

Evacuation is known to be challenging in Hampton Roads, a coastal region inhabited by 1.7 million people in cities such as Norfolk, Virginia, and Virginia Beach.

READ MORE: Hurricane Florence is ‘very dangerous,’ but don’t expect everyone to evacuate

“I’ve heard people say Virginia Beach is the world’s largest cul-de-sac in the sense that there are not a lot of ways to evacuate,” said Michelle Covi, an assistant professor of practice with Old Dominion University and Virginia Sea Grant, a science group that works with other universities in the region on coastal issues.

“You can’t go north because of the Chesapeake Bay,” she said. “You can’t really go south, and in this case you wouldn’t want to because the storm is that way. You generally want to go west, but again there are lots of water bodies.”

WATCH: Hurricane Hunter flies through eye of Florence

In Charleston, South Carolina, where the average elevation is only around 11 feet (3.4 meters) above sea level, storm surge and flooding from a hurricane’s drenching rain has the same effect — cutting off access, said Norman Levine, an associate professor at the College of Charleston.

“It inundates roads, and it ends up reaching the point where you become isolated little sea island communities,” he said.

WATCH: Emergency storm preps before Hurricane Florence hits Carolinas, Virginia

© 2018 The Canadian Press

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