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Ursa Astronomical Association
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Ursa Astronomical Association

At least 5 lightning strikes seen - 17.8.2021 at 02.00 - 17.8.2021 at 03.00 Porvoo Observation number 100671

Visibility II / V

Trailers of a cell born above the sea as seen from Emäsalo. The sky rarely flashed with the earth's flashes in the distance. Only a few cloud flashes made a sound while the rain was still up. In the picture, the ground flash illuminates the clouds. The channel itself is overexposed.

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