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Ursa Astronomical Association
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taivaanvahti(at)ursa.fi

Ursa Astronomical Association

Image of an exceptional thunder cloud - 16.5.2019 at 08.30 - 16.5.2019 at 09.00 Madison, Wisconsin, Usa Observation number 83130

Visibility IV / V

Panu Lahtinen, Pollux, Aalto-yliopisto

On the way to the bus stop, I noticed that there are some sets coming from the north. At this point, the cloud was not yet at its best, but when it was close the bus was already in the Urban Area and there was nothing visible between the houses other than flickering, sleet and heavy rain. A couple of lightning struck in less than a mile, but apart from heavy rain and small gusts, nothing really came to Madison. There seem to be some thousands of lightning locks in the lifetime of that MCS.



More similar observations
Additional information
  • Observed storm phenomena
    • Shelf cloud info

      Hyllypilvi (engl. shelf cloud) on vyörypilven erikoismuoto. Nimensä mukaisesti se on vaakasuora, hyllyä muistuttava kuuropilven uloke. Se liittyy supersolu-ukkospilviin, joita Suomessa tavataan hyvin harvoin.

      Jarmo Moilasen kuva harvinaisesta hyllypilvestä 13. kesäkuuta 2001 Vaalan taivaalla.

Comments: 3 pcs
Panu Lahtinen - 20.5.2019 at 17.17 Report this

Laitetaan vielä linkki yliopiston kattokamerasta koostettuun videoon: https://www.youtube.com/watch?v=SdLVQ5Ggq7E

Mikko Peussa - 20.5.2019 at 18.00 Report this

Upea tuo video!

Henrik Heikkinen - 20.5.2019 at 18.16 Report this

Mahtavaa. Noissa voimakkaissa vyörypilvissä on kyllä jännä tuo kaoottinen "valaansuuturbulenssi" juuri ennen sadeseinämää vyörypilven alla.

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