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Storms and Convective discussion - November 2023 onwards


Supacell

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Posted
  • Location: South East UK
  • Weather Preferences: Thunderstorms/squalls/hoar-frost/mist
  • Location: South East UK

 Jamie M Ah I see , probably some low-topped supercells around today. 

Edited by Sprites
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Posted
  • Location: Bromham
  • Location: Bromham

 Andy Bown I think they thought it was just going to be another wet nights  training.

I was worried about the other groups when ours were off I actually shouted at them to get off but nobody seemed very worried.

they did move when it struck the ground from blizortung I reckon one cg was only a mile and half away it did come quick.

Our coach was only responsible for our group I’d add at that point I’d not warned the others because they were on other pitches and there wasn’t time our coach moved fast when it came.

Edited by Stuart Norman
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Posted
  • Location: on a canal , probably near Northampton...
  • Weather Preferences: extremes n snow
  • Location: on a canal , probably near Northampton...

 Stuart Norman

Well done mate for doing the best you can, the UK is a long way from proper storm warning systems, and  not everyone believes weather geeks ...." there was no offishul warning"..

Sometimes, you do what you have to do, and you can only do so much to protect and warn others, if they ignore, and laugh, they may well have to live with those consequences for a very long time.

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Posted
  • Location: Norwich,Norfolk.
  • Weather Preferences: thunderstorms /winter storms and blizzards.
  • Location: Norwich,Norfolk.

 Stuart Norman I was on the A421 at Bedford when the 2 close cg lightning happened it was a big storm for the time of year but got some good photos i posted. 

Edited by Robert1981
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Posted
  • Location: Bromham
  • Location: Bromham

 matty40s thanks it was pretty intense at one point I wasn’t even ready for that either tbh it’s very early in the year and when I started work in Sharnbrook today 7am it was another late winter early spring day.

 

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Posted
  • Location: Coventry, 96m asl
  • Weather Preferences: Snow in winter, thunderstorms, warmth, sun any time!
  • Location: Coventry, 96m asl

Largest hail on record for the UK in the month of March it seems today!

image.png

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Posted
  • Location: Miskin / 69m (229 ft)
  • Weather Preferences: Mainly thunderstorms and snow
  • Location: Miskin / 69m (229 ft)

convection is  just starting to kick in here.

11.6c rising

Humidity: 83%

dew point: 10.2c.

Looking up north there is some convection although there are some clouds blocking In the photo

this is the best picture I have 

image.thumb.png.0d93a8836e44e166a7858c8341a23dab.pngimage.thumb.png.93890cdebc244c2c2496e61d2b422d57.png

 

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Posted
  • Location: on a canal , probably near Northampton...
  • Weather Preferences: extremes n snow
  • Location: on a canal , probably near Northampton...

I presume this first bit of sunshine will start to pop things up nicely...

20240329_091423.jpg

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Posted
  • Location: Woodchurch, Kent.
  • Weather Preferences: Storm, drizzle
  • Location: Woodchurch, Kent.

Convective Outlook⚡

Widespread 50+ J/K of 3CAPE should allow for some widespread shower and storm activity to form throughout Friday, mainly in the afternoon. Fairly strong buoyancy in areas but mostly modest should allow for some stronger storms to form, mainly in the west moving towards the NE later, along with Ireland but still sporadic lightning appears more likely, given there's less epicentres of energy.

 

With weak deep-layer shear, upscaling is unlikely and Supercell potential is quite weak. So should mostly be single cell modes, scattered through a lot of the country.

 

Generally seems unsupportive of severe modes but hail may be a possibility and still a fairly blustery day. Though likely not that stronger under the showers.

 

Any potential organisation or the best chance of a Supercell appears to be in the northeast with the strongest of the PV lobes. Along with fairly strong 3CAPE.

20240329_110358.thumb.jpg.9e1d44d761febb1fafc12a9159d32674.jpg

 

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Posted
  • Location: Coventry, 96m asl
  • Weather Preferences: Snow in winter, thunderstorms, warmth, sun any time!
  • Location: Coventry, 96m asl

Not much going on so far, just a few showers about.

Group of showers that passed through here earlier:

8OuWyM4_.thumb.jpg.4287dfc91838d1a3659fadaa952a616b.jpg

Could also see the more intense cell which passed over Telford just after midday:

ZZUDeOFq.thumb.jpg.a979e0f8f2173b33f9fbd76d2566b410.jpg

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Posted
  • Location: Coventry, West Mids
  • Weather Preferences: Snow, thunderstorms, heat, sunshine, hail. Basically Seasonal.
  • Location: Coventry, West Mids

In an area of sunshine now and patches of cumulus developing to my south. Let's see what happens.

Some cells getting a little bit stronger near to Bristol.

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Posted
  • Location: Norwich,Norfolk.
  • Weather Preferences: thunderstorms /winter storms and blizzards.
  • Location: Norwich,Norfolk.

Some heavy showers here in the fens west of King's lynn A47/A17 at 1.15pm. 

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Edited by Robert1981
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Posted
  • Location: Norwich,Norfolk.
  • Weather Preferences: thunderstorms /winter storms and blizzards.
  • Location: Norwich,Norfolk.

Showers have developed widespread now west of King's lynn at 1.45pm 

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Edited by Robert1981
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Posted
  • Location: North Yorkshire
  • Weather Preferences: thunderstorms and severe weather
  • Location: North Yorkshire

yep, was also on the Grimsby cell, not with the best view but I did a time lapse

 

IMG_0327.thumb.jpg.e3e23eb622d81e3dabc3743a57379cb3.jpg

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Posted
  • Location: Thrapston | Northamptonshire
  • Weather Preferences: Severe weather
  • Location: Thrapston | Northamptonshire

Ok convection so far today including a nice rainbow 🌈 but so far have not seen any cells that have really caught my attention unlike yesterday. Hopefully we can have a rumble or two later.🤞

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Edited by The Tall Weatherman
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Posted
  • Location: Woodchurch, Kent.
  • Weather Preferences: Storm, drizzle
  • Location: Woodchurch, Kent.

Don't know if this has been said yet but yesterday may be quite the day with the hail, pretty surprisingly large hail for the event, American style hail even with weak CAPE and strong low-level shear. May do a full case study. 

 

 

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