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North Korea Threatens to Boost Nuke Capability in Reaction to US-South Korea Deterrence Guidelines

This photo provided Sunday, June 29, 2024, by the North Korean government, North Korean leaders Kim Jong Un attends a ruling party’s meeting in Pyongyang, North Korea Friday, June 28. (Korean Central News Agency/Korea News Service via AP)
This photo provided Sunday, June 29, 2024, by the North Korean government, North Korean leaders Kim Jong Un attends a ruling party’s meeting in Pyongyang, North Korea Friday, June 28. (Korean Central News Agency/Korea News Service via AP)
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North Korea Threatens to Boost Nuke Capability in Reaction to US-South Korea Deterrence Guidelines

This photo provided Sunday, June 29, 2024, by the North Korean government, North Korean leaders Kim Jong Un attends a ruling party’s meeting in Pyongyang, North Korea Friday, June 28. (Korean Central News Agency/Korea News Service via AP)
This photo provided Sunday, June 29, 2024, by the North Korean government, North Korean leaders Kim Jong Un attends a ruling party’s meeting in Pyongyang, North Korea Friday, June 28. (Korean Central News Agency/Korea News Service via AP)

North Korea threatened Saturday to boost its nuclear fighting capability and make the US and South Korea pay “an unimaginably harsh price” as it slammed its rivals’ new defense guidelines that it says reveal an intention to invade the North.
On Thursday, President Joe Biden and South Korean President Yoon Suk Yeol authorized the signing of joint nuclear deterrence guidelines as part of efforts to enhance their capabilities to cope with North Korea’s growing nuclear arsenal. The guidelines were adopted a year after the two countries established a consultation body to bolster information-sharing on nuclear operations and discuss how to integrate US nuclear weapons and South Korean conventional weapons in contingencies.
In a statement carried by state media, North Korea’s Defense Ministry said the US-South Korea guidelines betrayed “their sinister intention to step up their preparations for a nuclear war against” North Korea, The Associated Press said.
The statement said its enemies’ escalating nuclear threats urgently require North Korea to further improve its nuclear deterrent readiness and add unspecified “important elements to the composition of the deterrent.” It said the US and South Korea will “pay an unimaginably harsh price” if they fail to stop provocative acts.
Details of the US-South Korean guidelines weren't available, but experts say they are largely about how the two countries would integrate US nuclear weapons and South Korean conventional weapons to respond to various potential contingencies caused by North Korean attacks and provocations. Experts say the US and South Korea are expected to map out detailed concept and operation plans based on the guidelines and review them via bilateral military exercises.
The guidelines are the first of kind between the allies. The US has repeatedly promised to use all its military capabilities to protect South Korea if it is attacked by North Korea, but many experts in South Korea believe the US lacks plans on how it would implement its extended deterrence to its ally. South Korea has no nuclear weapons.
North Korea has argued it was forced to pursue nuclear weapons to deal with US-led nuclear threats. US and South Korean officials have steadfastly said they have no intention of attacking North Korea.
Concerns about North Korea's nuclear program have grown in recent years as the North has performed a slew of provocative missile tests and openly threatened to use nuclear weapons preemptively in potential conflicts with its adversaries.

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Fire Tornadoes are a Risk Under California's Extreme Wildfire Conditions

The National Weather Service warned Tuesday that the combination of high winds and severely dry conditions have created a “particularly dangerous situation” - The AP
The National Weather Service warned Tuesday that the combination of high winds and severely dry conditions have created a “particularly dangerous situation” - The AP
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Fire Tornadoes are a Risk Under California's Extreme Wildfire Conditions

The National Weather Service warned Tuesday that the combination of high winds and severely dry conditions have created a “particularly dangerous situation” - The AP
The National Weather Service warned Tuesday that the combination of high winds and severely dry conditions have created a “particularly dangerous situation” - The AP

As if they aren’t already facing enough, firefighters in California also could encounter fire tornadoes — a rare but dangerous phenomenon in which wildfires create their own weather.

The National Weather Service warned Tuesday that the combination of high winds and severely dry conditions have created a “particularly dangerous situation” in which any new fire could explode in size. The advisory, which runs into Wednesday, didn’t mention tornadoes, but meteorologist Todd Hall said they're possible given the extreme conditions.

 

A look at fire tornadoes according to The AP.

What is a fire tornado? Fire whirl, fire devil, fire tornado or even firenado — scientists, firefighters and regular folks use multiple terms to describe similar phenomena, and they don’t always agree on what’s what. Some say fire whirls are formed only by heat, while fire tornadoes involve clouds generated by the fire itself.

The National Wildfire Coordinating Group’s glossary of wildland fire terms doesn’t include an entry for fire tornado, but it defines a fire whirl as a “spinning vortex column of ascending hot air and gases rising from a fire and carrying aloft smoke, debris and flame,” and says large whirls “have the intensity of a small tornado.”

Wildfires with turbulent plumes can produce clouds that in turn can produce lightning or a vortex of ash, smoke and flames, said Leila Carvalho, professor of meteorology and climatology at the University of California, Santa Barbara.

“There is a rotation caused by very strong wind shear and a very hot, localized low-pressure system,” she said.

What is a fire tornado capable of? Fire tornadoes can make fires stronger by sucking up air, Carvalho said. “It creates a tornado track, and wherever this goes, the destruction is like any other tornado.”

In 2018, a fire tornado the size of three football fields killed a firefighter as it exploded in what already was a vast and devastating wildfire near near Redding, about 250 miles (400 kilometers) north of San Francisco in northern California. Scientists later described an ice-capped cloud that reached 7 miles (11 km) into the air and caused winds up to 143 mph (230 kph).

Research also suggests fire tornadoes can carry airborne embers, also called firebrands, over long distances, said James Urban, an assistant professor in the Department of Fire Protection Engineering at Worcester Polytechnic Institute. They also can change the fire’s behavior, he said.

“That’s also something that is dangerous and scary for first responders, or really anyone,” he said. “It can change and maybe go in a different direction.”

The interaction between wind, the fire plume and topography determines whether a tornado will develop, he said. For example, sometimes a certain topography will restrict airflow in such a way that a spiral pattern develops.

Can you make one in a lab? Together with San José State University, Worcester Polytech is part of a Wildfire Interdisciplinary Research Center. In the lab in Worcester, researchers have created small fire tornadoes by putting up walls around a fire or arranging a bunch of little fires that together restrict airflow. But that’s on a much smaller scale than what’s happening with the wildfires.

“We’ve got the biggest fire lab in the US for a university, but we cannot get something the size of what’s been reported at these fires,” he said. “You can’t really bottle that and put it in a lab.”