Contact information

Ursa Astronomical Association
Kopernikuksentie 1
00130 Helsinki

Ursa Astronomical Association

Arcus cloud - 20.7.2018 at 18.00 - 20.7.2018 at 18.30 Turenki Observation number 75485

Visibility IV / V

A avalanche cloud accompanied by a rumble at the end of the cloud front. No ground lightning was observed at all. Lots of rumble but only a couple of visible clouds.

More similar observations
Send a comment

Comments are checked and moderated before publication If you want to contact the observer directly about possibilities to use these images, use the Media -form.



characters left

By sending in this comment I confirm, that I've read and understood the the observation system's privacy policy.