Here’s what would happen if you nuked a hurricane

“Why don’t we nuke them?” President Donald Trump asked during a White House briefing about hurricanes, according to an Axios report.

Trump was advocating for a nuclear solution to the tropical storms that hit the southeastern US, according to Axios [although Trump has since denied the comment].

Sources who heard the president’s private remarks told Axios that Trump asked senior officials something along the lines of, “They start forming off the coast of Africa, as they’re moving across the Atlantic, we drop a bomb inside the eye of the hurricane and it disrupts it. Why can’t we do that?”

The concept of nuking a hurricane isn’t new: During the late 1950s, one scientist floated the idea of using nuclear explosives to “modify hurricane paths and intensities.”

But an article by hurricane researchers at the National Oceanic and Atmospheric Administration (NOAA) debunks that idea. They wrote that it’s impossible to disrupt a hurricane with a nuclear bomb, since we don’t have powerful enough bombs and because the explosives wouldn’t shift the surrounding air pressure for more than a split second.

How a hurricane forms

Hurricanes are vast low-pressure cyclones with wind speeds over 74 mph (119 km/h) that form over warm water in the mid-Atlantic Ocean. When warm moisture rises, it releases energy, forming thunderstorms.

As more thunderstorms are created, the winds spiral upward and outward, creating a vortex. Clouds then form in the upper atmosphere as the warm air condenses.

As the winds churn, an area of low pressure forms over the ocean’s surface and helps feed a hurricane’s cyclonic shape.

If any part of this weather cycle dissipates – either the warm air or the area of low pressure – the hurricane loses strength and breaks down.

So in 1959, Jack Reed, a meteorologist at Sandia National Laboratories, raised the possibility of disrupting hurricane-forming weather conditions using nuclear weapons.

Reed theorised that nuclear explosives could stop hurricanes by pushing warm air up and out of the storm’s eye, which would enable colder air to take its place. That, he thought, would lead to the low-pressure air fuelling the storm to dissipate and ultimately weaken the hurricane.

Reed suggested two means of delivering the nuke into the hurricane’s eye.

“Delivery should present no particular problem,” Reed wrote.

The first delivery method, he said, would be an air drop, though “a more suitable delivery would be from a submarine.”

A submarine, he said, could “penetrate a storm eye underwater” and “launch a missile-borne device” there before diving to safety.

But according to the NOAA researchers’ article, there are two issues with Reed’s idea.

HowHurricanesForm(Shayanne Gal/Business Insider)

Hurricanes emit a mind-boggling amount of energy

Hurricanes are extremely powerful: A fully developed hurricane releases the same amount of energy as the explosion of a 10-megaton nuke every 20 minutes, the NOAA article says. That’s more than 666 times bigger than the “Little Boy” bomb that the US dropped on Hiroshima, Japan, in 1945.

So in order to match the energetic power of a hurricane, there would need to be almost 2,000 “Little Boys” dropped per hour as long as the hurricane remained a hurricane.

Even the largest nuke ever detonated – a 50-megaton hydrogen bomb known as Tsar Bomba, which the Russians detonated over the Arctic Sea in 1961 – wouldn’t be enough.

What’s more, the NOAA article says, once an explosive’s initial high-pressure shock moves outward, the surrounding air pressure in the hurricane would return to the same low-pressure state it was in before. And the shock wave that a nuke produces travels faster than the speed of sound.

So unless we were able to detonate nuclear explosives in the eye of the hurricane on a continuous basis, we wouldn’t be able to dissipate the low-pressure air that keeps the storm going.

Say, for example, that we wanted to downsize a Category 5 hurricane like Katrina (with winds around 175 mph; 280 km/h) to a Category 2 storm (with winds around 100 mph). We would need to add more than half a billion tons of air to a hurricane with an eye 25 miles in diameter (40 km), the NOAA article says. A nuke couldn’t do that.

“It’s difficult to envision a practical way of moving that much air around,” the authors wrote.

Plus, even a Category 2 hurricane can devastate property and infrastructure if it makes landfall.

Nuclear fallout would spread

The NOAA article also says that if we were to nuke a hurricane, radioactive fallout would spread far beyond the bounds of the hurricane.

“This approach neglects the problem that the released radioactive fallout would fairly quickly move with the tradewinds to affect land areas and cause devastating environmental problems,” the authors wrote.

Fallout is a mixture of radioisotopes that rapidly decay and emit gamma radiation – an invisible yet highly energetic form of light. Exposure to too much of this radiation in a short time can damage the body’s cells and its ability to fix itself – a condition called radiation sickness.

Land contaminated by fallout can become uninhabitable. After the Chernobyl nuclear power plant blew up in 1986 and spread toxic radiation into the air, people were forced to abandon a 1,500-square-mile area.

If the US were to attempt to disrupt a hurricane with a nuke, radioactive fallout could spread to island nations in the Caribbean or states bordering the Gulf of Mexico.

“Needless to say, this is not a good idea,” the NOAA article concludes.

This article was originally published by Business Insider.

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