In recent days unusual "storm cells", which are characterized by heavy downpours and electrical activity, have developed in different areas of Norway, far beyond the Arctic Circle, at latitudes very unusual for convective activity. The storms would have developed as a result of the contribution of air masses rather warm, sub-tropical origins of old continental towards the territories of Scandinavia and Lapland. The warmer air coming from south, after crossing the Scandinavian peninsula, immediately interacted with the air masses much more moist and fresh from the North Atlantic and the Norwegian Sea, pushed towards the Norwegian coast from Icelandic depression, its south-eastern edge. The confluence between the different air masses flocked over the Arctic Circle, has produced thermal contrasts really significant for the high latitude, which have accentuated the outbreak of convection (updrafts) that originated on the temporal Norway Northern Hemisphere. This past Tuesday, June 25th a thunderstorm, characterized by rain, thunder and lightning, hit well as the beautiful city of Tromso, the most important and well-known town in northern Norway.
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