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Storm and Convective Discussion 23rd June Onwards


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Posted
  • Location: STEVENAGE, HERTS (100M ASL)
  • Location: STEVENAGE, HERTS (100M ASL)

    We now have 1 mass of rain with the odd flash around the Home Counties / south midlands. Hopefully in the next hour or so we should see some more strikes detected as there are only a few at the moment.

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    Posted
  • Location: Milton Keynes, Buckinghamshire, England. 108.7m ASL
  • Location: Milton Keynes, Buckinghamshire, England. 108.7m ASL

    My god the rainfall here is insane at the minute. Cloud tops must be huge, the spots are the size of 5p pieces and the sporadic lightning is very powerful, the accompanying thunder is shaking the ground.

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    Posted
  • Location: Bedfordshire 33m above mean sea level
  • Location: Bedfordshire 33m above mean sea level

    Just got back from little ones fair, pretty much big drops of rain the hour we were there, but amazing view of the dark clouds around. Got home just before the heavens opened and it got dark. No thunder but at least got little one her go on the castle. Too wet for the face painting :(

    Edited by Dami
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    Posted
  • Location: Chapmanslade, Wiltshire + Charente, France
  • Location: Chapmanslade, Wiltshire + Charente, France

    Clear rotation on the base of the storm that just passed to the SE of me. Also dramatic increase in rain as it moved away.

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    Posted
  • Location: Andover, Hampshire
  • Location: Andover, Hampshire

    Definite rotation in a cell that just passed over tot hill services near Newbury with one very bright flash of lightning and deep, loud thunder

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    Posted
  • Location: Newton Poppleford, Devon, UK
  • Weather Preferences: Thunderstorms, Snow, High Winds.
  • Location: Newton Poppleford, Devon, UK

    Shower dying. What the hell is going wrong today?

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    Posted
  • Location: Warwickshire, West Midlands, United Kingdom
  • Weather Preferences: Snow, Thunderstorms, Sun
  • Location: Warwickshire, West Midlands, United Kingdom

    Heard some VERY distant thunder, probably from the South where the storms are brewing.

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    Posted
  • Location: Sunderland
  • Weather Preferences: Hot Summer, Snowy winter and thunderstorms all year round!
  • Location: Sunderland

    Shower dying. What the hell is going wrong today?

    there is little vertical shear, and cells that do develop are slow moving, the upshot is, the average cell lasts for 30 mins before the updraft gets swamped by rain cooled descending air (the downdraft)...little shear means that the updrafts and downdrafts aren't separated thus the updraft getting swamped, and even though the updrafts are vigorous (due to the instability and bouyancy of the air parcels) they are dropping most of their precip and sferics in localized areas as the cells are slow moving....nothing is going wrong, it's exactly to forecast....

     

    radar watching is the key, as cells will readily develop during the afternoon/evening period...due to the slow moving nature of these cells, it's pot luck whether you see a mature cell whilst it's nearly overhead........

     

    Just to add, areas of low level convergence with sink southwards through the west country this afternoon, this will add an extra forcing enabling cells to develop more readily over convergence affected areas

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    Posted
  • Location: Bedfordshire 33m above mean sea level
  • Location: Bedfordshire 33m above mean sea level

    Thunder clap coming from MK way.  :clapping:

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    Posted
  • Location: Warminster, Wiltshire
  • Location: Warminster, Wiltshire

    Clear rotation on the base of the storm that just passed to the SE of me. Also dramatic increase in rain as it moved away.

    Interesting, the NW detector places a few of the strikes right on the Eastern upslope of Salisbury Plain immediately East of the Westbury/Warminster area. I didn't have much of a view of what maybe happening as the rain was too torrential and there was too much low cloud - although maybe I should have looked closer at that low cloud!

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    Posted
  • Location: Bedford Bedfordshire
  • Weather Preferences: Fire tornado
  • Location: Bedford Bedfordshire

    Thunder clap coming from MK way.  :clapping:

    I heard it to! was a really nice long deep rumble. Looks to be going past us though

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    Posted
  • Location: Staines, UK or Prague, Czech Republic
  • Weather Preferences: Hot and sunny, thunderstorms, snow, fog, frost, squall lines
  • Location: Staines, UK or Prague, Czech Republic

    Is that Commercial road allotment?

    Yes, well spotted! Have 2 allotments there and have a very good 360• view of the sky
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    Posted
  • Location: Bedfordshire 33m above mean sea level
  • Location: Bedfordshire 33m above mean sea level

    Can see how the cloud circle round my village very well while out, according to Radar something is close to hitting, but i think it will head more MK way. Some very heavy rain in that cell too. Got such a thunder headache today :sorry:

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    Posted
  • Location: Milton Keynes, Buckinghamshire, England. 108.7m ASL
  • Location: Milton Keynes, Buckinghamshire, England. 108.7m ASL

    Rainfall was mental in that storm. By the way have you seen my new lake / canal? lol

     

    http://youtu.be/e3QIpKR8DPI

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    Posted
  • Location: Bedfordshire 33m above mean sea level
  • Location: Bedfordshire 33m above mean sea level

    Probably the best tourist attraction in the MK now... ;)

    That rain was mental. 

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    Posted
  • Location: Newton Poppleford, Devon, UK
  • Weather Preferences: Thunderstorms, Snow, High Winds.
  • Location: Newton Poppleford, Devon, UK

    there is little vertical shear, and cells that do develop are slow moving, the upshot is, the average cell lasts for 30 mins before the updraft gets swamped by rain cooled descending air (the downdraft)...little shear means that the updrafts and downdrafts aren't separated thus the updraft getting swamped, and even though the updrafts are vigorous (due to the instability and bouyancy of the air parcels) they are dropping most of their precip and sferics in localized areas as the cells are slow moving....nothing is going wrong, it's exactly to forecast....

     

    radar watching is the key, as cells will readily develop during the afternoon/evening period...due to the slow moving nature of these cells, it's pot luck whether you see a mature cell whilst it's nearly overhead........

     

    Just to add, areas of low level convergence with sink southwards through the west country this afternoon, this will add an extra forcing enabling cells to develop more readily over convergence affected areas

    Yeah, talking about convergence, I think we are about to recieve it down here later on this afternoon. I have noticed rapidly developing cells around and dying e.g. the one overhead now.

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    Posted
  • Location: Milton Keynes, Buckinghamshire, England. 108.7m ASL
  • Location: Milton Keynes, Buckinghamshire, England. 108.7m ASL

    Thought it was clearing away, sky is quite bright and it's only raining moderately now, but just heard deep booming thunder once more. Very odd day weather wise so far  :cc_confused:

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    Posted
  • Location: Bedfordshire 33m above mean sea level
  • Location: Bedfordshire 33m above mean sea level

    Thought heard another rumble and also thought it was clearing and the sun was trying to poke though. Still raining. Poor school fair turned into a wash out :(

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    Posted
  • Location: Andover, Hampshire
  • Location: Andover, Hampshire

    I'm hoping to get out and have a look but won't be until at least 6pm. Hoping the activity hasn't died out by then. Normally in these circumstances, the low level cloud begins to break up in the evening revealing lovely sunset skies with distant convection :)

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    Posted
  • Location: Godalming
  • Weather Preferences: Plumes and streamers
  • Location: Godalming

    Naff storm day.

    Can forecasters please stop forecasting thunderstorms for southern counties when they are all in mid or northern counties. It would save me a lot of anxiety.

    Thank you.

    Another 10 hours of watching 'developing' storms.

    Meh.

    Edited by Flash bang flash bang etc
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    Posted
  • Location: Llanwnnen, Lampeter, Ceredigion, 126m asl (exotic holidays in Rugby/ Coventry)
  • Location: Llanwnnen, Lampeter, Ceredigion, 126m asl (exotic holidays in Rugby/ Coventry)

    Angry Cb mass been passing to the east for a couple of hours and gradually building west towards here, now just about 3 miles away looking as though it could produce lightning.

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    Posted
  • Location: Surrey/Hampshire border 86m/280ft asl
  • Weather Preferences: Snow and thunderstorms
  • Location: Surrey/Hampshire border 86m/280ft asl

    Finally, some visible rotation and distant thunder. Parents reporting lots of thunder over Berkshire though.

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