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ثوران غير مسبوق لبركان كيلاويا يُنتج ظاهرة نادرة تُعرف بالدوامة البخارية البركانية

By CNN بالعربية - صحة · June 11, 2026 · 1 min read CNN بالعربية - صحة ↗

ثوران غير مسبوق لبركان كيلاويا يُنتج ظاهرة نادرة تُعرف بالدوامة البخارية البركانية

ظهرت دوامة بخارية ذات مظهر شبحـي أثناء أحدث نشاط ثوراني لبركان كيلاويا في الجزيرة الكبيرة بولاية هاواي الأمريكية.

تتشكل هذه الظاهرة عندما ترتفع الغازات الساخنة والبخار بسرعة من سطح البركان، ما يجذب الهواء المحيط إليها. وعندما يكون الهواء المتدفق مزودًا بقدر كافٍ من الحركة الدورانية، فإنه قد يتسبب في دوران عمود الهواء بأكمله.

والنتيجة هي عمود دوّار بمظهر شبحي ويمكن رؤيته مع تكاثف البخار.

قد يهمّك أيضًا.. لقطة مذهلة لزوبعة هوائية تلتف حول بركان يقذف حممه في هاواي

المصدر: CNN بالعربية – صحة

#أمريكا #براكين #ظواهر طبيعية #علوم وصحة

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