What Milton and Helene reveal about the future of hurricanes
Oct 15, 2024
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Bernadette Woods-Placky, Chief Meteorologist at Climate Central, provides crucial insights into the 2024 Atlantic hurricane season. She discusses how climate change is intensifying hurricanes like Helene and Milton. The conversation highlights the limitations of the Saffir-Simpson scale in measuring these mega storms. Bernadette also emphasizes the evolving role of meteorologists in misinformation and the pressing need for clear public communication. The link between extreme weather events and climate change is underlined, stressing the urgency for climate action.
The catastrophic impacts of hurricanes like Helene highlight the severe vulnerabilities of communities due to ongoing climate change.
Rapid intensification of storms such as Milton shows how record-high ocean temperatures significantly alter hurricane behavior and predictive models.
Deep dives
The Impact of Hurricane Helene
Hurricane Helene has become one of the deadliest hurricanes in modern times, causing catastrophic flooding across several states, including Florida, Georgia, North and South Carolina, and Tennessee. The storm was notable for its immense size, stretching approximately 500 miles in diameter, and claimed at least 227 lives. As communities grapple with the aftermath, Helene serves as a stark example of the severe vulnerabilities many regions face due to climate change. The increasing intensity and frequency of such storms highlight a troubling trend in how hurricanes are evolving in a warming world.
Rapid Intensification of Hurricanes
The formation of Hurricane Milton showcased an alarming rapid intensification, transforming from a cluster of thunderstorms to a Category 5 storm with winds reaching 180 miles per hour in just 24 hours. Meteorologists attribute this explosive growth to record-high ocean temperatures, which provide the necessary energy for storms to gain strength rapidly. These higher temperatures and atmospheric conditions, influenced by climate factors like El Niño and La Niña, are critical in understanding the current hurricane season's unusual behavior. As warming oceans continue to fuel these destructive storms, questions arise about how predictive models should adapt to these changing circumstances.
The Link Between Climate Change and Severe Weather
The disproportionate devastation caused by storms like Helene and Milton emphasizes the profound impact of climate change on hurricane behavior and weather patterns. Warmer atmospheres hold more moisture, leading to increased rainfall and flooding when hurricanes make landfall, affecting areas far inland. Additionally, the rising sea levels contribute to higher storm surges, amplifying the hazardous effects of these storms. This season has underscored the importance of understanding and addressing climate change, as it is a driving force behind the increasing severity and frequency of such natural disasters.
Ian Sample speaks to Bernadette Woods Placky, chief meteorologist at nonprofit Climate Central, about the 2024 Atlantic hurricane season so far, and what it tells us about how hurricanes will behave in future. Help support our independent journalism at theguardian.com/sciencepod
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