Video Rare roll cloud delights Portuguese beachgoers amid record heat wave

A rare roll cloud formation captivated beachgoers along Portugal's coast on Sunday, coinciding with a record heat wave that reached an unprecedented 116 degrees Fahrenheit. The striking, tsunami-like clouds prompted many to capture the moment on video, showcasing the dramatic sight. According to climate scientist Paulo Ceppi, roll clouds occur when cold, moist air meets warm, dry air under the right wind conditions, particularly when moisture levels are insufficient for rain. The extreme heat increased the temperature difference between land and sea, enhancing the winds that led to the cloud's formation. Tiago Pinho, a beachgoer, noted how quickly the cloud appeared, stating, “There was a clear sky; it came in one minute.

” Experts caution that roll clouds may become more common due to climate change, as warmer temperatures create favorable conditions for their formation. Mário Marques, a climatologist, described the cloud's appearance as “beautiful to watch,” comparing it to a wave that appears to be perpetually breaking. Despite their impressive nature, climatologists maintain that roll clouds are not a significant concern compared to other climate change impacts.