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Spanish plume anyone? Storm and convective discussion 17th July Onwards

Jane Louise

By Jane Louise
in Storms & Severe Weather

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Greeny Aficionado

Greeny

Posted
  • Location: Norwich, Norfolk, East Anglia
  • Weather Preferences: Sunny, stormy and I don't dislike rain only cold
  • Location: Norwich, Norfolk, East Anglia
Posted

Really hot and humid here. Very sticky and uncomfortable.

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sparky1972 Community Regular

sparky1972

Posted
  • Location: spalding, sth lincs
  • Location: spalding, sth lincs
Posted (edited)

is it still cloudy in Spalding :yahoo:

yep, and going to stay that way for the rest of today and tomorrow. oh wait a minute is it, could it be!!!  it is, the SUN IS SHINNING. yay

Edited by sparky1972
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toggerob Veteran

toggerob

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

You know the weather is about to do something spectacular when I miss going to the pub on a Friday night in favor of forum-reading on NW instead, bit of a breeze picked up here this morning but the humidity can be felt in the air and things about to go boom within the next 6 hours or so.

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The PIT Maestro

The PIT

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

Cool and cloudy dead duck here ah well there's always another day.

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BA Baracus Enthusiast

BA Baracus

Posted
  • Location: Liversedge, West Yorkshire ASL : 74m
  • Location: Liversedge, West Yorkshire ASL : 74m
Posted

6z NMM puts high levels off CAPE further west slightly.

 

Still all to play for!

 

Posted Image

 

Novice question - with CAPE do you need it to get a storm going or to maintain or both?

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PolarWarsaw Seasoned

PolarWarsaw

Posted
  • Location: South Staffordshire
  • Weather Preferences: Snow
  • Location: South Staffordshire
Posted

Something building overhead here, gone quite dark and the cloud looks menacing in the distance.

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Speedway Slider Enthusiast

Speedway Slider

Posted
  • Location: Leicester (LE3)
  • Location: Leicester (LE3)
Posted

London last night.  I don't think I've seen something like that in years.  Let's hope tonight is a mouthwatering MCS, we deserve it.   Harry/Lauren may know the last MCS import we had; it's going back over a decade ago or more.

 

Posted Image

Copyright https://twitter.com/justinstokes_

 

Posted Image

 

Posted Image

 

Posted Image

 

 

Copyright https://twitter.com/MPSinthesky

 

Posted Image

 

 

Awesome photos!!!!!!!!!!!

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Norfolk Sheep Seasoned

Norfolk Sheep

Posted
  • Location: Garvestone, Norfolk
  • Weather Preferences: Sunshine. And storms
  • Location: Garvestone, Norfolk
Posted

Hot and sunny with a fresh onshore breeze here, watching the left over rubbish from the south drift past to the west. Dead as a dead storm system can be.

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Team Jo Accomplished

Team Jo

Posted
  • Location: Hilversum, Netherlands
  • Weather Preferences: Hot Sun, Deep Snow, Convective Goodness, Anvil Crawlers
  • Location: Hilversum, Netherlands
Posted

Yep, there's hazy, but potent sunshine here in C London - My home wx station is already reading 29c....

 

the question About Cape - it's one (Although an important one) ingredient in the mixing bowl, high Cape = High instability = lots of lovely lift which is needed to create nice tall clouds, and subsequently thunderstorms. High Cape is good for lightning too, and big hail...

 

I am 120% sure that Nick or AJ could explain it better......

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Norfolk Sheep Seasoned

Norfolk Sheep

Posted
  • Location: Garvestone, Norfolk
  • Weather Preferences: Sunshine. And storms
  • Location: Garvestone, Norfolk
Posted

Awesome photos!!!!!!!!!!!

I can honestly say I have NEVER seen lightning like that in the UK, EVER. Doesn't matter where I live dammit. Seen it in Spain, Italy, France, the USA....NEVER the UK :( 

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Lauren Veteran

Lauren

Posted
  • Location: The North Kent countryside
  • Weather Preferences: Hot summers, snowy winters and thunderstorms!
  • Location: The North Kent countryside
Posted

London last night.  I don't think I've seen something like that in years.  Let's hope tonight is a mouthwatering MCS, we deserve it.   Harry/Lauren may know the last MCS import we had; it's going back over a decade ago or more. Posted ImageCopyright https://twitter.com/justinstokes_ Posted Image Posted Image Posted Image Copyright https://twitter.com/MPSinthesky Posted Image https://www.youtube.com/watch?v=8g4oS8C2dFA&feature=youtu.be&list=UULjB_uCWXn8yxCJs7CsM5kw

Robbie, the MCS of summers 97 and 99. I remember them well. Truly the last great storms we had.
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Lewesdon Apprentice

Lewesdon

Posted
  • Location: Beaminster, West Dorset
  • Weather Preferences: Winter- Cold, frost, snow. Summer- Warm and thundery.
  • Location: Beaminster, West Dorset
Posted

With all the low cloud today I was feeling a bit pessimistic about anything happening later, but John Hammond has just cheered me right up.

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Sainsbo Aficionado

Sainsbo

Posted
Posted

Novice question - with CAPE do you need it to get a storm going or to maintain or both?

 

I think it's both. You need high CAPE to start convection and then to sustain it, but I think the Lifting Index is more important regarding the formation of the thunderstorms.

 

Someone please correct me if I'm wrong, I'm in the process of learning myself. :good:

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Team Jo Accomplished

Team Jo

Posted
  • Location: Hilversum, Netherlands
  • Weather Preferences: Hot Sun, Deep Snow, Convective Goodness, Anvil Crawlers
  • Location: Hilversum, Netherlands
Posted

Far far better explanation of CAPE here compared to my shambolic description.... Thanks Nick :)

 

 

http://forum.netweather.tv/topic/80249-what-is-capeli/

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Nick L Maestro

Nick L

Posted
  • Location: Cheddington, Buckinghamshire
  • Weather Preferences: Winter: Cold & Snowy, Summer: Just not hot
  • Location: Cheddington, Buckinghamshire
Posted

Shameless self-plug I know, but for those asking about what role CAPE plays in thunderstorm development etc., my guides might be useful reading (or they might be utter garbage...) :)

 

http://forum.netweather.tv/topic/80249-what-is-capeli/

 

http://forum.netweather.tv/topic/80260-what-can-act-as-a-thunderstorm-trigger/

Far far better explanation of CAPE here compared to my shambolic description.... Thanks Nick :)

 

 

http://forum.netweather.tv/topic/80249-what-is-capeli/

 

Spooky, you posted it at the same time I did. I don't feel like such a narcissist now :D

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BA Baracus Enthusiast

BA Baracus

Posted
  • Location: Liversedge, West Yorkshire ASL : 74m
  • Location: Liversedge, West Yorkshire ASL : 74m
Posted

Far far better explanation of CAPE here compared to my shambolic description.... Thanks Nick :)

 

 

http://forum.netweather.tv/topic/80249-what-is-capeli/

 

Thank you  :good:

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Greeny Aficionado

Greeny

Posted
  • Location: Norwich, Norfolk, East Anglia
  • Weather Preferences: Sunny, stormy and I don't dislike rain only cold
  • Location: Norwich, Norfolk, East Anglia
Posted

Im expecting a tornadic supercell followed by an awesome mcs with hours of frequent non-stop awesome lightning heading straight over my back garden in the next 24 hours! :-D

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P-M Seasoned

P-M

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
Posted

Nice to see the Meto extending an amber warning to some parts (me included).  Can't wait to see what happens but I am not getting my hopes up too much as it avoids the disappointment!

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Robbie Garrett Seasoned

Robbie Garrett

Posted
  • Location: London, UK
  • Weather Preferences: MCC/MCS Thunderstorms
  • Location: London, UK
Posted (edited)

Robbie, the MCS of summers 97 and 99. I remember them well. Truly the last great storms we had.

 

That's the year. Wasn't it October or August 1999? I remember 1997 being huge just after Princess Diana passed away. Paris was 110*F the weekend before.

Edited by Robbie Garrett
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Team Jo Accomplished

Team Jo

Posted
  • Location: Hilversum, Netherlands
  • Weather Preferences: Hot Sun, Deep Snow, Convective Goodness, Anvil Crawlers
  • Location: Hilversum, Netherlands
Posted

 

 

Spooky, you posted it at the same time I did. I don't feel like such a narcissist now :D

 

Ha! My technical descriptions are appalling, I am better drawing them with sharpies, and using daft analogies. (as Tour one discovered this year)

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