US EditionRare 'Tsunami' Roll Cloud Phenomenon Surprises Beachgoers in Portugal
- On June 29, 2025, observers along Portugal’s northern and central shores witnessed an impressive roll cloud that stretched across the sky like a giant ocean wave as it moved inland from the Atlantic.
- This rare roll cloud formed amid an intense heatwave affecting much of Western Europe, with temperatures in Portugal reaching record highs on June 30.
- The roll cloud extended up to 150 kilometers and was visible along multiple beaches in northern and central Portugal, including locations near Póvoa and Figueira, accompanied by strong winds and unusual weather conditions.
- Portugal recorded 46.4°C in Mora on June 30, with 37% of IMPA’s stations exceeding 40°C, while meteorologist Sarah Keith-Lucas called the roll cloud a "spectacular example".
- The event highlighted rising climate risks as extreme heat continues across Europe, prompting wildfire warnings, school closures in France, and calls for climate action by UN Secretary-General António Guterres.
52 Articles
52 Articles
A natural phenomenon causes panic on a beach in Portugal – many think it's a tsunami. However, according to one expert, there is something else behind it.
Portugal has been hit by a heat wave that has affected much of Western Europe, with temperatures reaching 42 degrees Celsius in parts of the Iberian Peninsula, as well as in Greece and France.
Massive 'tsunami cloud' terrifies Portuguese beachgoers in viral video
What appeared to be a catastrophic tsunami turned out to be nature's spectacular illusion. Beachgoers across Portugal's coastline experienced widespread alarm this week when an extraordinary roll cloud formation mimicking a colossal tsunami wave materialized above the shore. The dramatic sight prompted mass evacuations as thousands mistook the atmospheric phenomenon for an approaching disaster. People seeking relief from scorching temperatures n…
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