Hank was impressed. She was a politician, yet she wasn’t. She was a straight talker, a rarity in Washington, Tallahassee, or the Florida Keys, for that matter. He still sensed she was troubled.
“I didn’t see you yesterday, so I thought you’d returned to Washington.”
“No. Sadly, or fortunately, depending on how you look at it, they don’t need me up there. If I were leading transportation, then certainly. That was the job I really wanted, but the president had to offer it to someone more acceptable to unions.”
“You’re still a cabinet member,” said Hank. “Wouldn’t you be involved in the national security meetings?”
She shook her head side to side. “I have the requisite security clearance but would have little to offer from the agriculture side, or at least that’s what they probably think.”
Hank glanced at her face to make eye contact. “I take it you disagree.”
There was a fallen palm tree ahead, and Erin pointed toward it, indicating what she had to say was worthy of sitting down to explain. Hank followed her lead and took her hand to help her up the slope through the soft sand. Once they’d settled in to watch a fishing boat meander out toward a reef, Erin dropped a bomb of her own.
“If we were to be attacked with nuclear warheads, the transportation secretary would have to deal with the threat of an EMP. However, the aftermath of what happened between two nuclear powers, even on the other side of the world, will bring a plague on our planet that could be much worse—nuclear winter.”
CHAPTER EIGHTEEN
Sunday, October 20
Driftwood Key
Hank was not completely unaware of the terms—EMP and nuclear winter. He’d heard them mentioned in movies, news documentaries, and books he’d read in the past. However, he’d never bothered to study or research what they meant. Erin was about to enlighten him and open his eyes to the very real threats their nation faced from nuclear war.
“There are many aspects to the use of nuclear weapons most of the public is unaware of. They all can visualize the massive mushroom cloud full of debris and fire because they’ve seen the videos from testing decades ago or how it is digitally portrayed in movies.
“That part is certainly accurate. The tremendous amount of energy that is released at the impact site annihilates virtually everything within the blast radius, depending on the size of the warhead.
“World powers, namely the U.S.S.R. and the U.S., learned through a series of nuclear tests in the late fifties there was an unexpected side effect to atomic bomb detonations. In 1958, testing at the Pacific Proving Grounds located in the Marshall Islands, known as the Starfish Prime project, revealed the energy generated also had the ability to destroy the tiny vulnerable wiring of electronic devices. This side effect, as they initially called it, is known as an EMP, or electromagnetic pulse.
“The government began to experiment with warhead detonations at different altitudes. The higher above ground the nuclear warhead was detonated, the broader the reach of the energy waves and the highly charged particles released into the atmosphere. Ground detonation, while releasing the same types of particles, had a significantly smaller EMP effect because its particles were not launched into the atmosphere but were thwarted by geographic features like mountains.”
Hank was aware of EMPs and what they were capable of, but he did not know the altitude of the detonation made a difference on the area it impacted. He looked for clarity. “Let’s use an example. The Russians nuke St. Louis. I don’t know why they would, but it’s the center of the country. Now, if the nuke hits the city, how far out will the electronics be impacted?”
“Again, keep in mind that the size of the weapon and the altitude are very important variables. Low-yield nukes coupled with a ground-level detonation will have less of an EMP effect. High-yield, high-altitude detonations could potentially place the entirety of the continental U.S. in the dark.
“Now, a caveat. Our power grid is tied together from coast to coast, except for Texas, which I’ll explain in a moment. The Eastern and Western Interconnection grids rely upon one another to maintain the continuous flow of power to the highest-demand users. For example, electricity generated by hydroelectric dams in Tennessee might not need to send as much energy to the rural parts of the state, but they transfer it to major cities like Atlanta and Memphis in the region.
“If the nuclear blast produces a large enough EMP to impact an entire region, like the West Coast, then the other power grids will work overtime to supplement the needs of areas outside the impact area. This may result in a cascading failure of the entire Eastern and Western Interconnection power grids.”
“But not Texas?” Hank asked.
“Right. They have their own grid separate and distinct from the rest of the country, operated by ERCOT, their power company.”
Hank stood to stretch his legs but also to absorb what Erin had relayed to him. “This is a real problem for the rest of us who aren’t directly in the line of fire of a nuke that might hit LA or…” His voice trailed off as he avoided identifying the most obvious East Coast target—Washington.
“Correct. Don’t get me wrong. A targeted EMP attack designed to destroy our grid would be devastating and result in the deaths of nearly ninety percent of Americans, according to some reports. However, with a herculean effort and international cooperation, power grids can be rebuilt. That’s not the case with problem number two.”
Hank sat down again. He’d begun contemplating selling the inn and moving to Texas. “So the power grid crashes. Electronics won’t work. Does that mean cars, too?”
“Yes, depending on the nature of the energy release. Trust me, Hank, our scientists have run as many simulations as there are warhead yields, targets, and altitude scenarios. We won’t know until it happens.”
“God forbid.”
“I agree,” she said before moving on to the concept of nuclear winter. “During my years in Tallahassee and even in the first hundred days as secretary of agriculture, the concept of nuclear winter has often come up in our policy meetings.”
Hank interrupted as he sought clarification as to whether this would impact their tiny part of the world. “Is the potential for nuclear winter serious for those of us who live away from obvious nuclear targets?”
Erin sighed and swallowed hard. “Electromagnetic pulses may be the last thing we need to worry about in the event of a nuclear attack. Not just on our soil, but anywhere in the world.”
“Whadya mean?”
“Nuclear war would spawn a climate catastrophe, including a global nuclear El Niño.”
Hank stood and began pacing again. He looked around to see if any other guests were approaching. He’d hoped for the opportunity to be alone with Erin. He enjoyed her company, and he’d visualized them having a conversation filled with laughs and even, perhaps, flirting. Instead, he found his palms getting sweaty from anxiety.
“Well, that doesn’t sound like a lot of fun,” he said, hoping to find a way to inject humor into a subject that wasn’t funny.
“Hank, I’m sorry,” she apologized, hanging her head. Then she made eye contact with him. “My sister told me that you’d asked where I was yesterday. I was coming to grips with all of this stuff myself. The fact is the entire world suffers in a nuclear war, even if it’s regional in nature in places far away from America.
“Nuclear explosions bring radioactive fallout as well as an unrelenting winter as it kicks off the most intense, longest El Niño the planet has experienced since the last eruption of the Yellowstone supervolcano.