dana 42
Behind the acronym DANA, whose meaning is " depression isolated levels high " referred to the meteorological Setup that the last days of June 2017 is happening in Spain. It's the closed encirclement of cold air in the higher layers of the atmosphere. This phenomenon can be dangerous in late summer and early autumn when the accumulation of heat and humidity collide with the cold of the upper layers and therefore that impact causes storms and major downpours.