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Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

At least 10 lightning strikes seen - 13.8.2014 at 02.10 - 13.8.2014 at 03.20 Helsinki, Kumpula Observation number 28916

Visibility IV / V

Thunderstorms dimly lit by the moonlight and lightning flashes in the dark night of August .. A memorable experience, although the lightning intensity was not particularly good from my point of view.

The tall cumulus clouds illuminated by the sunrise were also a handsome sight!

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Additional information
  • Observed storm phenomena
    • Heat lightning info

      Elosalamassa erottuu salaman viivamainen rakenne, mutta ääntä ei kuulu. Erotuksena elosalamaan kalevantuli on epämääräisempi välähdys, joka on maasalaman tai pilvisalaman heijastusta.

      Sekä kalevantuli että elosalama ovat molemmat salamointia, joka tapahtuu yleensä yli 20 km etäisyydellä havaitsijasta, mistä johtuen jyrinää ei kuulla.

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