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Storms and convective discussion - 1st April 2021 onwards


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Posted
  • Location: Coventry,Warwickshire
  • Location: Coventry,Warwickshire

    Cold front moving across the UK later today seem to have developed a marked squall line. This does not really look convective but modelling suggest quick bursts of low level winds up to 60mph and heavy rainfall as the boundary crosses the UK.

    radar.thumb.png.c74750fa5dabbd3644df7b925009f3da.png

     

    More chances of thunderstorms tomorrow first Western areas and perhaps later Eastern areas. 

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    Posted
  • Location: Welwyn Garden City
  • Weather Preferences: Seasonal and interesting weather including summer storms and winter snow
  • Location: Welwyn Garden City

    This squall line looks quite active over Somerset at present as it advances eastward. Half hour of pretty intense rain and gusty winds I should imagine although no sign of any electrics yet..

     image.thumb.png.84317f52e7b92e07a399c56672e6b254.png

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    Posted
  • Location: Herne Bay, Kent (14m, 45.9ft)
  • Weather Preferences: Thunderstorms & Snow
  • Location: Herne Bay, Kent (14m, 45.9ft)

    image.thumb.png.71b734da7c515c1e52f2d24634b526b8.png

    Nice squall coming along. It's a shame it'll collapse before getting here!

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    Posted
  • Location: Barton on Sea, Hampshire
  • Weather Preferences: Snowy winter, warm/hot summer with the odd storm thrown in
  • Location: Barton on Sea, Hampshire

    Had torrential rain and a bit of hail in it here not long ago. Lasted around 10 minutes.

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    Posted
  • Location: Kirkcaldy, Fife, Scotland 20m ASL
  • Weather Preferences: Snow, Thunderstorms
  • Location: Kirkcaldy, Fife, Scotland 20m ASL

    my storm risk map for tomorrow, most intense storms I think will be in the orange zone with a widespread risk overall and with the cold air at 500hpa hail chances with pretty much any cell image.thumb.png.5e681b24033cd0d5b37fca5786d3c69c.pngnmm_uk1-21-25-0.thumb.png.b0ff6e2df94007ddb64517f667a48a0e.png

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    Posted
  • Location: Bexley (home), C London (work)
  • Weather Preferences: Thunderstorms
  • Location: Bexley (home), C London (work)

    Just had a torrential downpour here accompanied by gusty winds and rivers down the road - heaviest rain I’ve seen this year so far. No thunder or lightning.

    Given it’s only 09:20, suggests we could see some really quite beefy downpours later.

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    Posted
  • Location: Woodchurch, Kent.
  • Weather Preferences: Thunderstorm.
  • Location: Woodchurch, Kent.

    This is what I expect for today, might want to change that slight further into East Anglia today, also some rotation here so funnel clouds possible. 

    thumbnail_image (1).png

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    Posted
  • Location: Bridgwater, Somerset
  • Weather Preferences: Snow, Thunderstorms
  • Location: Bridgwater, Somerset

    Just had the heaviest shower of the year. A bunch of hail was mixed in with it. Last about 2 minutes and then it just disappeared. It was heavy rain and hail one second and the next there wasn't even a drop coming from the sky. Very weird.

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    Posted
  • Location: Chorlton, 29m asl.
  • Location: Chorlton, 29m asl.

    Not often you'll see two independent rotating curls of precip over the UK.

    image.thumb.png.2bff185f3ed91e1c6ffb304fae814e75.png

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    Posted
  • Location: Woodchurch, Kent.
  • Weather Preferences: Thunderstorm.
  • Location: Woodchurch, Kent.
    13 minutes ago, milomolly123 said:

    the start of the thunderstorms 

    So far my prediction is doing okay, keep an eye out basically anywhere in the Midlands. 

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    Posted
  • Location: Hoyland,barnsley,south yorkshire(100m asl)
  • Weather Preferences: severe storms,snow wind and ice
  • Location: Hoyland,barnsley,south yorkshire(100m asl)
    Posted (edited)

    Day 1 Convective Outlook

    VALID 06:00 UTC Mon 24 May 2021 - 05:59 UTC Tue 25 May 2021

    ISSUED 06:51 UTC Mon 24 May 2021

    ISSUED BY: Dan

    An upper trough will track eastwards across the UK/Ireland on Monday, with cold air aloft creating an environment with steep mid-level lapse rates and 300-600 J/kg CAPE in response to diurnal heating. A couple of surface lows will provide the focus for areas of showery rain associated with wrap-around occlusions, one over northern Scotland and another over Wales and central/southern England, and this creates a rather messy setup with cloud and lowered surface temperatures near these features. Elsewhere, numerous showers and weak thunderstorms are likely to develop, and the distribution of these will shift through the day. Under the upper trough axis, shear will be rather weak leading to mostly pulse-type storm mode. However, backed low-level winds and slightly stronger flow aloft will exist in advance of the occlusion across northern and eastern England, and this may aid somewhat in cell longevity. The strongest cells may produce hail 1.0-1.5cm in diameter and wind gusts of 40-50mph. The slow storm motion could result in some localised surface water flooding. The slack surface flow over inland parts and resultant low-level convergence may provide the opportunity for a few funnel clouds.

    largethumb.thumb.png.b015c06f21f46e6eafc8cd9f8e02e4b8.png

    WWW.CONVECTIVEWEATHER.CO.UK

    Forecasting thunderstorms and severe convective weather across the British Isles and Ireland for up to the next 5 days.

     

    Edited by Allseasons-si
    link didn't work first time
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    Posted
  • Location: Bedfordshire
  • Weather Preferences: Thunderstorms, warm/hot plumes, snow, anything severe
  • Location: Bedfordshire

    Oh my goodness, absolutely huge crash of thunder just now!

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    Posted
  • Location: Wellingborough, Northamptonshire
  • Location: Wellingborough, Northamptonshire
    6 minutes ago, Zak M said:

    Oh my goodness, absolutely huge crash of thunder just now!

    What’s with bedfordshire area getting lots of cells this year and Wellingborough getting nothing but a distant rumble or two once 🤣

    Hopefully changes today, just want an overhead storm not a couple minutes of drizzle..

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    Posted
  • Location: Woodchurch, Kent.
  • Weather Preferences: Thunderstorm.
  • Location: Woodchurch, Kent.
    12 minutes ago, Delka said:

    What’s with bedfordshire area getting lots of cells this year and Wellingborough getting nothing but a distant rumble or two once 🤣

    Hopefully changes today, just want an overhead storm not a couple minutes of drizzle..

    Just Zak and his super vision and hearing. 

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    Posted
  • Location: Sherborne dorset
  • Weather Preferences: Thunderstorms. Warm weather. Not hot or cold weather.
  • Location: Sherborne dorset

    Just heard thunder. 

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    Posted
  • Location: Bedfordshire
  • Weather Preferences: Thunderstorms, warm/hot plumes, snow, anything severe
  • Location: Bedfordshire
    Posted (edited)
    59 minutes ago, Zak M said:

    Oh my goodness, absolutely huge crash of thunder just now!

    Here’s one of the big booms:

     

    Edited by Zak M
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    Posted
  • Location: Bedfordshire
  • Weather Preferences: Thunderstorms, warm/hot plumes, snow, anything severe
  • Location: Bedfordshire

    Also.. there was some mad rotation happening beneath a towering cumulus - it almost dropped a funnel.

    I wouldn't be surprised if there were funnel reports around the Huntingdon / N Bedfordshire area.

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    Posted
  • Location: Bedfordshire 33m above mean sea level
  • Location: Bedfordshire 33m above mean sea level
    Posted (edited)
    1 hour ago, Delka said:

    What’s with bedfordshire area getting lots of cells this year and Wellingborough getting nothing but a distant rumble or two once 🤣

    Hopefully changes today, just want an overhead storm not a couple minutes of drizzle..

    But Bedford hasn't?!? Not here anyway, everything seems to break up.

    Edited by Dami
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