What Exactly Is a ‘Heat Dome’ and Are We Stuck in Sweaty Misery Forever?

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The Pacific Northwest is enduring a severe heat wave that has turned uncomfortable weather into a dire situation. Since the onset of these record-breaking temperatures, at least 63 individuals have tragically lost their lives in Oregon alone. The infrastructure is crumbling under the pressure—roads are buckling, paint is peeling off buildings, power lines are warping, and a staggering 33 million people are under emergency heat warnings. Clearly, our current systems are not equipped to handle the extreme heat that much of the country is facing. The culprit? Climate change, exacerbated by a phenomenon known as a “heat dome.”

What is a Heat Dome?

So, what is a heat dome? It’s a large area of warm air that becomes trapped in a wavy jet stream, causing temperatures to skyrocket in regions where such heat is unusual. Currently, a high-pressure ridge over the Pacific Northwest is forming what meteorologists call an Omega block (shaped like the Greek letter Omega), which keeps hot air pinned down and compresses it, further increasing temperatures. In essence, a heat dome is like Mother Nature’s own Dutch oven—we’re all simmering in our own generated heat.

This current heat dome is intensified by climate change, which has already raised baseline temperatures in the Pacific Northwest by about 3-4 degrees Fahrenheit since the Industrial Revolution. We humans have seriously impacted our planet, and while it might be tempting to make light of the situation, this is no laughing matter.

The Impact of Climate Change

The extreme weather events we’re witnessing are becoming more predictable and should be factored into our planning. What is happening in the Pacific Northwest would have been statistically categorized as a once-in-a-thousand-year event in a stable climate. However, the rapid pace of climate change is anything but normal. It’s not a divine punishment; it’s a consequence of our reliance on fossil fuels, deforestation, urban development, and unsustainable agricultural practices. The meat industry is notably one of the leading contributors to greenhouse gases and global warming.

It’s high time we brace ourselves for the impacts of climate change and demand action from ourselves and our government to mitigate its effects. Solutions exist, but they require significant shifts in how we construct our homes, consume energy, and manage our carbon footprints. Transitioning to renewable energy sources like wind and solar power is crucial. We need to embrace electric vehicles and public transit, support environmentally responsible businesses, and enhance the energy efficiency of our homes. Additionally, planting more trees and investing in carbon capture technologies can help remove carbon from our atmosphere.

Of course, these changes can seem daunting for those of us trying to make ends meet. Yet, a collective effort is essential if we want to navigate this summer—or any season—safely.

Health Risks and Precautions

In many areas, temperatures in the Pacific Northwest are soaring up to 30 degrees above average for this time of year. Not everyone has access to air conditioning, nor do they have the option or desire to go to public cooling stations. While many are seeking refuge at beaches and other water sources, public pools in Portland have even had to close due to the extreme heat. Yes, it’s too hot for the pool!

During heat waves, it’s vital to recognize the signs of heat exhaustion and heat stroke, and to seek help immediately if you experience any concerning symptoms. Warning signs include dizziness, headaches, nausea, muscle cramps, fainting, heavy sweating, hot and red skin, and confusion. According to the CDC, it’s advisable to stay indoors in air-conditioned spaces when possible, stay hydrated, and avoid strenuous outdoor activities. To cool down, drink plenty of cold water, use damp towels on your head and neck, spray your skin with water, and darken your windows to block out heat. Don’t forget to give extra care to pets, children, the elderly, and anyone else who might be more susceptible to heat.

Drought Conditions

Many are also concerned about the ongoing drought, which is worsening the heat conditions. The dry spell is intensifying and creating a dangerous feedback loop. As of June 22, nearly 80% of the Northwest was experiencing drought conditions, just as fire season is ramping up and predicted to be “above normal.” So, let’s leave the fireworks to the professionals, cool it with the fire pits, and please—no more gender reveal explosions. Let’s not be the ones making things worse.

People are uncomfortable, anxious, and worried about their homes and livelihoods. While temperatures may begin to cool soon, a significant challenge lies ahead if we want to prevent these heat waves from becoming the norm.

Further Reading

For more insights on navigating these challenges, consider checking out this blog post, or for authoritative information, visit Make A Mom and NHS, both excellent resources for home insemination and pregnancy information.



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