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ancientsolar

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    Storms and Convective discussion - June 2023

    in Storms & Severe Weather

    Posted

    18 minutes ago, Crepuscular Ray said:

    From the southwestern tip of the Brecon Beacons, activity is definitely picking up to to my east and north. The few attempts at towers have faded rapidly, but they are getting more vigorous.

    Quite a heavy shower happening directly to your North , - been wondering if it'll be the first spot for lightning today! -- 

    Storms and Convective discussion - June 2023

    in Storms & Severe Weather

    Posted

    21 minutes ago, Convective said:

    Clouds are beginning to tower over West Wales, according to the satellite. The first precipitation showing just southeast of Anglesey too.

     

    Maybe the start of today's storms over that way.

    I've been observing from the SE of the area, there are some towers going up in the North West , and I don't think I'm even seeing the main cloud mass shown on the satellite. 

    Odd Thunderstorms at the coast in hot Weather ?

    in Storms & Severe Weather

    Posted

    13 minutes ago, East_England_Stormchaser91 said:

    Very interesting. Usually a lightning Cloud needs a good height with a healthy updraft to be producing lightning of a decent level, as this enables the ice crystals to produce more potential for a discharge. They were more than likely elevated CB’s. This makes sense, as summer 2006 was fantastically plumey and I’ve often seen lightning from relatively non dramatic looking clouds in a plume setup. Usually early in the morning. 

    well we are talking 16-17 years ago, i'd been interested in the weather since 2000 when we had a number of very soggy Autumns causing floods almost every year. 

    regarding 2006 , I've been looking at CB clouds - and if anything it looks like the upper part of this image (source https://en.wikipedia.org/wiki/Cumulonimbus_calvus  Cumulonimbus_calvus_cloud_over_the_Gulf_

     of course most CBs have this deep dark lower section but the ones I saw certainly didn't 

    640px-A_Classic_Anvil_Cloud_Over_Europe.

    Again the upper section of this somewhat resembles what I saw, a few of them , lighter in colour and puffy , with blue sky between each  - it was just remarkably strange, I couldn't hear the thunder, but I saw the strikes. 

    It's a test of memory, I have tried for ages to find pictures that match what I saw. I can see it clearly in my mind because it took my by surprise.. as an 18  year old, no tshirt walking along the beach to catch a glimpse of these odd thunder clouds while the hot sunshine just went on for the entire week.

     

     

    • Like 1

    Odd Thunderstorms at the coast in hot Weather ?

    in Storms & Severe Weather

    Posted

    2 minutes ago, Andy Bown said:

    I suppose it could have been a small elevated storm? I do recall being in Cornwall one summer and witnessing several CGs striking the sea from a very discreet storm cloud. 

    thing is, it was elevated like it was a low mist touching a valley, but it was just 4-5 puffy clouds just in the Sea, with very visible lightning strikes from the Sea,  - when you looked up, it was just more blue sky
    - or perhaps I could describe them as very very low level semi-transparent cumulus .

    Odd Thunderstorms at the coast in hot Weather ?

    in Storms & Severe Weather

    Posted

    Some discussion has been taking place in the summer model discussion thread , raising 2006 and the hot weather

    I was on holiday that year with my Late grandmother in WestonSM - the skies were blue but as we walked along the Sea front, there would be these small puffy clouds, almost like cotton candy floss, and you could even see the blue sky through them, - but these low clouds were producing a scattering of CG strikes  into the ocean. 
    There were no Cumulonimbus or anything that resembled a potentially stormy scene. 

    So what type of cloud and storm was I seeing ? 
    Has anyone ever experienced such phenomena ?
    Although rare to me as I don't live at the coast, are they more common than I think ?

    Storms and Convective discussion - June 2023

    in Storms & Severe Weather

    Posted

    1 minute ago, Southern Storm said:

    Very interesting, I'm too far south and would be surprised if anything developed south of the line of showers that can be seen forming on the latest radar

    And I don't believe any of the short range high-res models picked this up. 

    aside from the French import, there isn't much on the satellite with depth of cloud - the French import does seem to be growing 

    All I hope is that's it's clear by morning to allow the temps to rise nicely.

    • Like 2
    • Thanks 1

    Storms and Convective discussion - June 2023

    in Storms & Severe Weather

    Posted

    Well it was a complete bust for South Wales - this mornings rain that stretched to the south coast did really inhibit us, although or the Northern edge, some storms did develop and through Brecon and the hills toward Snowdonia - 

    Of course, it was the small parcel of cloud in South London that dominated events today, expanding in such ferocity to take on  Heathrow Airport and cause absolute havoc - storms did try to form behind it and to the South West of the main storm, but they all seemed  to fizzle out --- at the same time on the Northern edge, extending all the way to near Manchester, small cells formed .. in what would eventually form a large group of storms on the frontal edge extending from the M4 to Birmingham and beyond. - Later this evening, although weakening, the odd flash over the Welsh borders, and a final punchy push of the storm West of Lvierpool
    I've seen video of hail, funnels, frequent lightning and rain which can only be compared to the spray from waterfalls such as Victoria. satellite imagery shows a big ball of cloud stretching from The East English coast to Mid wales -  and from the M4 to North as far as Manchester. -- What an incredible storm cloud that fills up nearly the entirety of the Midlands.

    • Like 3
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