Scientists Measure Strength Of Eclipse Cooling Effect For First Time

• The cooling effect of an eclipse on cumulus clouds quantified by recent study.

• Cumulus clouds over land dissipate swiftly during partial solar eclipses.

• Satellite images confirm cumulus clouds vanish when sun is 15% eclipsed by moon.

The moon covers the sun during a solar eclipse in Piedra del Aguila, Argentina, Monday, Dec. 14, 2020. Officials are estimating 200,000 visitors will descend upon Cleveland April 8, 2024, to vi

AP

For centuries, the phenomenon of 'eclipse cooling' has intrigued observers, but it is only now that its strength has been quantified. Scientists have recently confirmed that cumulus clouds over land swiftly dissipate when a partial solar eclipse commences, a phenomenon long recognized by eclipse enthusiasts.

A study published in Nature Communications Earth and Environment sheds light on the eclipse-induced cloud evolution, which could have significant implications for those planning to witness the upcoming total solar eclipse on April 8. The research marks the first time the cooling effect of an eclipse has been accurately measured.

The process is straightforward: the heating of the ground generates convective clouds, which vanish when the ground cools. Satellite images from partial solar eclipses in Africa between 2005 and 2016 provided concrete evidence of cumulus clouds disappearing once the sun is about 15% eclipsed by the moon.

While the disappearance of clouds during an eclipse has been a known phenomenon, the rapidity with which they dissipate during a total solar eclipse surprises many. Cloud cover can plummet from 70% to 1% within minutes, showcasing the immediate impact of the eclipse on convective clouds.

For eclipse chasers in regions with high cloud cover probabilities, understanding the 'eclipse cooling' effect serves as motivation to venture into the path of totality. The upcoming total solar eclipse on April 8, 2024, will offer a unique viewing experience for those within the 115-mile-wide track of the moon's shadow, with durations of totality varying across different locations.

The path of totality will traverse parts of Mexico, the U.S., and Canada, providing a rare celestial spectacle for observers in these regions. As preparations for the event unfold, enthusiasts are advised to stay updated on the latest developments to ensure a memorable viewing experience.

With the promise of clear skies and awe-inspiring sights, the upcoming total solar eclipse is set to captivate audiences across North America. Stay tuned for more updates as the event draws near.