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Convective Storm/Discussion thread - 02/09/16 onwards


Supacell

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Posted
  • Location: Pemberton, Wigan, 54 M ASL. 53.53,-2.67
  • Weather Preferences: Winter - snow, Irish sea convection. Summer - thunderstorms, hot sunny days
  • Location: Pemberton, Wigan, 54 M ASL. 53.53,-2.67
1 minute ago, Darren Bown said:

What makes it weird is it's all coming out of the storm.

Outflow? Also The surface and low level winds are backed more than higher up. 

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Posted
  • Location: Derbyshire Peak District South Pennines Middleton & Smerrill Tops 305m (1001ft) asl.
  • Location: Derbyshire Peak District South Pennines Middleton & Smerrill Tops 305m (1001ft) asl.

It dropped nearly 15mm here excluding the hail which has damaged my shed roof!

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Posted
  • Location: Pemberton, Wigan, 54 M ASL. 53.53,-2.67
  • Weather Preferences: Winter - snow, Irish sea convection. Summer - thunderstorms, hot sunny days
  • Location: Pemberton, Wigan, 54 M ASL. 53.53,-2.67
2 minutes ago, carl1980 said:

Just seen a big flash and rumble, is it back building?? 

I'm wondering that. Don't see why not. 

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Posted
  • Location: Crewe, Cheshire
  • Weather Preferences: Snow, storms and other extremes
  • Location: Crewe, Cheshire
28 minutes ago, Mapantz said:

Looking at the extended skew-t, it suggests there will be quite a strong cap to erode, from around 940 to 900mb, probably why the hi-res models show absolutely zilch in terms of precip.

skew0.535255815674649.png

Aye. GFS showing some slight convergence of surface winds and, given orographic forcing from the peaks, I can see where the GFS is coming from but I doubt it'll be enough

ukwind.png

Edited by CreweCold
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Posted
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield
  • Weather Preferences: Any Extreme
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield

Under the developing storm clouds going every direction brilliant to watch lightning none stop thunder none stop just one hell of a storm if you're under it. Closest to a storm this year.

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Posted
  • Location: Truro, Cornwall
  • Weather Preferences: Winter - Heavy Snow Summer - Hot with Night time Thunderstorms
  • Location: Truro, Cornwall

Beautiful storm here now. Very frequent lightning. Some practically overhead with loud thunder.

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Posted
  • Location: South Devon
  • Location: South Devon
24 minutes ago, Costa Del Fal said:

Fresh strikes erupting around S Cornwall/Devon now. :)

Not looking bad right down in the far west of Cornwall is it!

South Hams just doesn't look like it's going to get lucky today, but that is so often the way. We've missed out both ways today - too far west earlier this morning, and too far east now lol. Still time though!

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Posted
  • Location: Warrington, Cheshire
  • Location: Warrington, Cheshire
23 minutes ago, cheese said:

Lucky buggers in Manchester!

Great show at 6pm from the M6 Thelwall viaduct. (stationary traffic helped tonight)

It appear to be building up around Warrington again

 

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Posted
  • Location: Bristol
  • Weather Preferences: Thunderstorms and Snowstorms
  • Location: Bristol

I've got a feeling that there's been a issue with the latest Netweather SR update from 6z to 12z, 6z almost perfectly in line with predicting the area of storms, yet now predicts a large storm to be building in the channel in an hour or so? And removes the storm up North completely?

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Posted
  • Location: Medlock Valley, Oldham, 103 metres/337 feet ASL
  • Weather Preferences: Cold, snow, thunderstorms, warm summers not too hot.
  • Location: Medlock Valley, Oldham, 103 metres/337 feet ASL

City match postponed due to the bad weather conditions. Only the Manchester weather can stop Guardiola :rofl:

 

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Posted
  • Location: Boldon, South Tyneside (Tyne & Wear) 271ft ASL
  • Weather Preferences: Severe Thunderstorms, Heat (Summer) & Snow in Winter
  • Location: Boldon, South Tyneside (Tyne & Wear) 271ft ASL

Apparently the water is waist deep in parts of Manchester City centre so plenty flash flooding about - anyone know the strike rate on this thing now?

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Posted
  • Location: St Helens, Merseyside 46m asl
  • Location: St Helens, Merseyside 46m asl
4 minutes ago, Weather-history said:

Still odd lightning flash and some thunder even though rain band has moved away and the intense band is now miles away.

Big flash your way then, deep rumble

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Posted
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield
  • Weather Preferences: Any Extreme
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield

Barnsley and Leeds look like they'll get a pasting shortly.

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Posted
  • Location: Crewe, Cheshire
  • Weather Preferences: Snow, storms and other extremes
  • Location: Crewe, Cheshire
Just now, Weather-history said:

Again with thunder. Atmosphere must be highly energetic.

It must be to have brought thunder and lightning here :shok:

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Posted
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield
  • Weather Preferences: Any Extreme
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield
Just now, P-M said:

Apparently the water is waist deep in parts of Manchester City centre so plenty flash flooding about - anyone know the strike rate on this thing now?

Peaked at 800 per minute for us now showing 330 per minute as it moves away.

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Posted
  • Location: Truro, Cornwall
  • Weather Preferences: Winter - Heavy Snow Summer - Hot with Night time Thunderstorms
  • Location: Truro, Cornwall

Great thunderstorm here in Truro. Torrential rain and had some very frequent lightning for a bit. A couple of very close strikes with almost instant thunder.

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Posted
  • Location: Whaley Bridge - Peak District
  • Location: Whaley Bridge - Peak District

Certainly can't complain about that :D countless lightning-strikes (I lost count after 56) power went out briefly, time to see what damage reports filter out from that. There was definite rotation at times looking SW, when the main-line of lightning came up from the south,

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Posted
  • Location: King’s Lynn, Norfolk.
  • Weather Preferences: Hot and Thundery, Cold and Snowy
  • Location: King’s Lynn, Norfolk.

seems to have become a right mover that one near Sheffield and Barnsley. Any confirmation of surface based activity?? I can see the top of it from Cambs too!! 

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Posted
  • Location: Beccles, Suffolk.
  • Weather Preferences: Thunder, snow, heat, sunshine...
  • Location: Beccles, Suffolk.
1 minute ago, The PIT said:

Peaked at 800 per minute for us now showing 330 per minute as it moves away.

NSC members must be vanishing at quite a rate, too?:shok:

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Posted
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield
  • Weather Preferences: Any Extreme
  • Location: Sheffield South Yorkshire 160M Powering the Sheffield Shield
Just now, East_England_Stormchaser91 said:

seems to have become a right mover that one near Sheffield and Barnsley. Any confirmation of surface based activity?? I can see the top of it from Cambs too!! 

I wouldn't be surprised if there was due to the way the clouds were moving.

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Posted
  • Location: Chesterfield, North Derbyshire 100m ASL
  • Location: Chesterfield, North Derbyshire 100m ASL

Just drove up to the top of Cutthorpe and the view is great towards the hills the west of Sheffield 

Great lightening show:D

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