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A bit of convection (Mar.12)

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Roman White
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« on: March 14, 2009, 10:40:38 pm »

Some nice convcetion developed on Friday afternoon. It was enough warm outside (+10C), but as the clouds growed larger and the evening got closer, the temperature started to fall. Just in a few hours after this (at sunset) the sky became covered with thick As (later - with Ns) - it was a cyclone heading from S (it caused wet snow on Saturday).










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SkyWatcher 130/900mm EQ3, Bresser 76/700mm, 20x90 bino. and other, Olympus SP-550UZ
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martinastro
Martin Mc Kenna
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« Reply #1 on: March 15, 2009, 01:59:40 pm »

Hey Roman, it's good to see you are getting some convection again. Those rising temps during the day must be helping generate those clouds in a decent manner now. I like the last two images because of the clouds above a tree which really gives a sense of scale/size. First image looks very peaceful..until the wet snow came in later.
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JohnC
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« Reply #2 on: March 15, 2009, 03:03:58 pm »

Ah,now Spring is coming at last, the skies get more interesting. Nice to see those Cb's, Roman.
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Roman White
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« Reply #3 on: March 15, 2009, 03:15:59 pm »

Thanks John and Martin

Nice to see those Cb's
I'm not sure those clouds are Cumulonimbus. The #1 image is distinct Cu, the #4 and #5 seem more like Cu to me, but I have doubt on it. Martin, can you judge?

Note: no rain falled from those ones. The rain later that evening was caused exclusively by As/Ns.
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SkyWatcher 130/900mm EQ3, Bresser 76/700mm, 20x90 bino. and other, Olympus SP-550UZ
Eclipse & comet chaser, occultation & meteor observer
Poltava Astronomy Portal


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