Visibility IV / V
A loud thunderstorm in the evening. Lightning own observation. Came cottage, so I was almost late to see this double arch. Meanwhile, great lightning, but the image did not stick.
A girl from Saarijärvi had shared a great video in Iltalehti entitled "In Central Finland, two magnificent natural phenomena were seen in the sky at the same time" https://www.iltalehti.fi/iltv-lukijan-videot/201808030081604_wi.shtml