The Pacific Pulse
When the River Runs Hot
The River Inside the Gulf
When the Sky Falls
2026 Super El Niño
The Chemistry of Shade
The Blocked Drain
Before the Spark
The Living Archive
The Antarctic Paradox
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What happens when a wave you can barely see travels thousands of miles across the Pacific and quietly raises sea levels along the coast? In this episode of The Climate Translation, Dr. Mac explains Kelvin waves: what they are, how they form, and why they are closely connected to the powerful El Niño developing across the Pacific. These enormous pulses of warm water can deepen the warm upper layer of the ocean, raise sea levels by several inches, and then turn north along the coast of the Americas after reaching South America. The episode also explores what that means for places along the West Coast, where elevated water levels can persist for weeks or even months and combine with high tides, storms, and large waves to increase coastal flooding and erosion. And as long-term sea-level rise continues, even a natural event like a Kelvin wave begins from a higher starting point, which makes the same temporary pulse potentially more damaging in the future. CC0 Music from Charles Korpics - I want to Live! (Again)
What happens when the water a power plant depends on for cooling becomes too hot or too scarce to do its job? In this episode of The Climate Translation, Dr. Mac explores the hidden connection between electricity and water. Many nuclear, coal, and natural-gas power plants rely on rivers, lakes, reservoirs, or oceans to carry away enormous amounts of waste heat. But during heat waves, that cooling water can become less effective, and environmental limits may force plants to reduce output rather than return dangerously warm water to nearby ecosystems. The episode also looks at what happens when drought lowers river levels, how recent power-plant disruptions in Europe revealed the vulnerability of water-dependent energy systems, and what engineers are doing to adapt. From reclaimed wastewater and cooling towers to dry cooling, renewable energy, and a more flexible grid, the challenge is increasingly clear: infrastructure designed around the climate of the past has to keep working in the climate of the future. CC0 Music from Charles Korpics - I want to Live! (Again)
What happens when the Gulf of Mexico stores more heat beneath its surface than the weather map can show? In this episode of The Climate Translation, Dr. Mac explores the Loop Current, the massive flow of warm Caribbean water that enters the Gulf, bends northward, sheds enormous warm-core eddies, and eventually exits through the Florida Straits. Drawing on his experience forecasting tropical storms along the South Texas coast, he explains why the depth of warm water matters just as much as the temperature at the surface. The episode also examines research showing that the Gulf has warmed rapidly over recent decades, how that deeper reservoir of heat can influence hurricanes and severe weather far inland, and how the Loop Current connects to the Florida Current and Gulf Stream. Along the way, Dr. Mac explains why these connected currents are not interchangeable and why a warming Gulf does not necessarily mean the currents themselves are simply speeding up. CC0 Music from Charles Korpics - I want to Live! (Again)
What happens when air inside a thunderstorm suddenly accelerates toward the ground instead of rising? In this episode of The Climate Translation, Dr. Mac explores the science of downbursts, microbursts, and the destructive straight-line winds they can produce. Drawing on his own storm-chasing and television meteorology experience, he explains how precipitation loading, evaporation, melting, and cold dense air can combine to create powerful downdrafts that strike the surface and spread outward with hurricane-force winds. The episode also examines how individual downbursts can organize into larger windstorms and derechos, including the damaging 2024 Houston derecho and the August 2026 Illinois–Indiana event. Finally, Dr. Mac looks at new research suggesting that a warming atmosphere may be creating more favorable environments for intense downdrafts, and why better forecasting, observations, warnings, and public understanding will become increasingly important. CC0 Music from Charles Korpics - I want to Live! (Again)
What happens when one of the strongest El Niños in modern history begins developing on an already warmer planet? In this episode of The Climate Translation, Dr. Mac follows the rapid development of the 2026 El Niño, from the warm water that accumulated during La Niña to the unusual tropical cyclone activity and westerly wind bursts that helped push that heat eastward across the Pacific. He explains why forecasters now believe the event could rival or exceed the strongest El Niños in the modern record. The episode also looks back at the devastating 1877–78 El Niño and the global drought and famine that followed, then asks how a similar climate shock might play out in today’s interconnected world. From modern agriculture and global food trade to shifting rainfall, drought, flooding, and winter weather patterns, the episode explores both the vulnerabilities and the advantages of facing a potentially historic El Niño with far more warning than people had 150 years ago. CC0 Music from Charles Korpics - I want to Live! (Again)
What happens when the trees cooling our cities also change the chemistry of the air around them? In this episode of The Climate Translation, Dr. Mac explores new research showing how some urban trees release natural compounds that can react with nitrogen oxides and sunlight to help form ground-level ozone. Using measurements from Beijing, he explains why compounds like isoprene become especially important on hot days and why different tree species can have very different effects on urban air chemistry. The episode also examines why this does not mean trees are bad for cities, how reducing human-produced pollution remains essential, and why future urban forestry may need to consider not only shade, cooling, and carbon storage, but also the chemistry of the species being planted. CC0 Music from Charles Korpics - I want to Live! (Again)
What happens when heavy rain, rising rivers, and coastal water all arrive at the same time? In this episode of The Climate Translation, Dr. Mac explores the growing science of compound flooding: when different sources of water interact and create flooding that can be worse than any one hazard alone. Using Hurricane Harvey and Port Arthur, Texas, as a case study, he explains how elevated coastal water can interfere with drainage and leave rainfall with nowhere to go. The episode also examines what a “100-year flood” actually means, why those historical odds are changing as the climate warms, and how infrastructure designed around individual flood hazards may struggle when several occur together. CC0 Music from Charles Korpics - I want to Live! (Again)
What turns a small ignition into a major wildfire? In this episode of The Climate Translation, Dr. Mac explores the atmospheric, climatic, and environmental conditions that determine how a wildfire fire behaves after the first spark. Using his own recent experience with wildfire smoke in Northern California as a starting point, he explains how fuel moisture, wind, terrain, and a little-known measurement called vapor pressure deficit can make landscapes more receptive to fire. The episode also examines why wildfire “cause” is more complicated than it sounds and how climate change and forest management intersect. CC0 Music from Charles Korpics - I want to Live! (Again)
What happens when nature’s recycling system slows almost to a stop? In this episode of The Climate Translation, Dr. Mac explores the hidden science of peatlands, the waterlogged landscapes where dead plants can remain only partially decomposed for thousands of years. Listeners will learn how oxygen, microbes, moss, and water interact to create peat, preserving ancient pollen, wildfire records, and clues about climates that existed long before modern instruments. The episode also examines what happens when peatlands are drained. As oxygen returns, decomposition accelerates, stored carbon is released, the land begins to shrink, and the risks of fire, flooding, and water-quality problems can increase. CC0 Music from Charles Korpics - I want to Live! (Again)
If the rest of the oceans are warming, why isn't the Antarctic Ocean? In this episode of The Climate Translation, Dr. Mac steps back from individual studies and headlines to explore one of the most perplexing climate mysteries of the modern era. Using decades of satellite observations, ocean measurements, and advanced computer modeling as a real-world case study, he explains how an atmospheric change miles above the Earth managed to hide the expected warming of the ocean below. You will learn why the cooling atmosphere over the South Pole strengthened the polar vortex winds, and how those shifting winds redistributed heat across the Southern Ocean. By understanding how researchers connected the healing of the ozone hole with future ocean warming, you will discover why independent clues stack up to provide the strongest foundation for understanding Earth's changing climate system. CC0 Music from Charles Korpics - I want to Live! (Again)