TL;DR: A gota fria, which AEMET calls a DANA, is a pocket of cold air aloft that in autumn meets a Mediterranean still holding summer heat, and it can drop more than 700 l/m2 in one day. DANA stands for isolated depression at high levels. Gota fria is the popular name for the same phenomenon.
Gota Fria: Why It Causes Floods in Autumn | RainViewer Blog
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September 14, 2026
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