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Convective / Storm Discussion - 30th March 2014 onwards

Jane Louise

By Jane Louise
in Storms & Severe Weather

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lassie23 Maestro

lassie23

Posted
  • Location: NW LONDON
  • Weather Preferences: Sun, sleet, Snow
  • Location: NW LONDON
Posted

Clouds building in London but the storm risk is still low. As 09 says, cloud cover is preventing convection from getting going because it's prohibiting the build-up of CAPE.

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Costa Del Fal Experienced

Costa Del Fal

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

Just feels autumnal! Light rain and misty or smoggy I should say and cool. Really not was expected back on Monday.

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gottolovethisweather Accomplished

gottolovethisweather

Posted
  • Location: Newbury, Berkshire. 107m ASL.
  • Weather Preferences: Summer:sunny, some Thunder,Winter:cold & snowy spells,Other:transitional
  • Location: Newbury, Berkshire. 107m ASL.
Posted

Hi AJ, there is likely very little to no CAPE at the moment because of dense low-level cloudcover. Though without looking at the relevant ascents, couldn't say with any certainty.  Those CAPE progs hinge on much higher temps and sfc dewpoints than is currently being observed.  CAPE builds with insolation, of which there is distinct lack of. 

 

Can someone please define insolation, I think I know what it refers to but I hear the phrase banded about and wanted to be sure. Posted Image

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Dancerwithwings Maestro

Dancerwithwings

Posted
  • Location: Solihull, WestMidlands, 121m asl -20 :-)
  • Weather Preferences: Cold and Snow -20 would be nice :)
  • Location: Solihull, WestMidlands, 121m asl -20 :-)
Posted (edited)

Just feels autumnal! Light rain and misty or smoggy I should say and cool. Really not was expected back on Monday.

Lol.... Temps on monday for today were in the low 20s....Here in the Midlands try 7c to 10c ...... Posted ImageNOT!! .....Posted Image

Edited by Dancerwithwings
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A.J Maestro

A.J

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

No lightning detections from what I can see, but there is an area of torrential rain knocking on my doorstep which is continuing to develop

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gottolovethisweather Accomplished

gottolovethisweather

Posted
  • Location: Newbury, Berkshire. 107m ASL.
  • Weather Preferences: Summer:sunny, some Thunder,Winter:cold & snowy spells,Other:transitional
  • Location: Newbury, Berkshire. 107m ASL.
Posted (edited)

No lightning detections from what I can see, but there is an area of torrential rain knocking on my doorstep which is continuing to develop

 

It looks like its moving due North at a very slow pace so I'm not getting too excited just yet, you might get lucky I suppose, AJ. Darts time for me now, Thanks to Triple for the explanation of insolation too.

Edited by gottolovethisweather
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Costa Del Fal Experienced

Costa Del Fal

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

Couple of showers have exploded into life just SE of Birmingham seen on radar and sat24.

 

No sferics.

Edited by Blizzards
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Polar Bear Community Regular

Polar Bear

Posted
  • Location: Newbury
  • Weather Preferences: Sunshine and snow but not together
  • Location: Newbury
Posted

It looks like its moving due North at a very slow pace so I'm not getting too excited just yet, you might get lucky I suppose, AJ. Darts time for me now, Thanks to Triple for the explanation of insolation too.

hey GTLTW it seems very strange outside.. Is it a fair bit of pollution or is there a storm brewing. Can't make it out.
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Dancerwithwings Maestro

Dancerwithwings

Posted
  • Location: Solihull, WestMidlands, 121m asl -20 :-)
  • Weather Preferences: Cold and Snow -20 would be nice :)
  • Location: Solihull, WestMidlands, 121m asl -20 :-)
Posted

Couple of showers have exploded into life just SE of Birmingham seen on radar and sat24.

 

No sferics.

Clearly noticeable http://www.sat24.com/en/gb and heading my way....No sferics.. I'm sure i'll let you know Posted Image

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A.J Maestro

A.J

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

looks like a very wet evening in the offing for my area, with a finger of very heavy rain stretching from the south coast towards the south midlands, all edging very slowly northwards

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Supacell Accomplished

Supacell

Posted
  • Location: Belper, Derbyshire
  • Weather Preferences: Thunderstorms
  • Location: Belper, Derbyshire
Posted (edited)

looks like a very wet evening in the offing for my area, with a finger of very heavy rain stretching from the south coast towards the south midlands, all edging very slowly northwards

It may just slide to my west but I'm keeping a watch on it for if it turns thundery (although that is unlikely). In all honesty I will be glad to see the back of all this cold, grey crud. Edited by Supacell
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Costa Del Fal Experienced

Costa Del Fal

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

Those developments SE of Bham really showed that even if the cloud was some somewhat thinner we could have something pretty damn special for April today. Oh well! Im sure there will be more chances soon. :)

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Dancerwithwings Maestro

Dancerwithwings

Posted
  • Location: Solihull, WestMidlands, 121m asl -20 :-)
  • Weather Preferences: Cold and Snow -20 would be nice :)
  • Location: Solihull, WestMidlands, 121m asl -20 :-)
Posted

Germany and poland are getting all the fun and games at moment , while I've got heavy drizzle !......

Today cold, Mist & murk ... And right now, heavy rain here http://www.netweather.tv/index.cgi?action=radar;sess= But no Posted Image

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TonyH Experienced

TonyH

Posted
  • Location: Llanwnnen, Lampeter, Ceredigion, 126m asl (exotic holidays in Rugby/ Coventry)
  • Location: Llanwnnen, Lampeter, Ceredigion, 126m asl (exotic holidays in Rugby/ Coventry)
Posted

Today cold, Mist & murk ... And right now, heavy rain here http://www.netweather.tv/index.cgi?action=radar;sess= But no Posted Image

12c is average for April DWW

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Dancerwithwings Maestro

Dancerwithwings

Posted
  • Location: Solihull, WestMidlands, 121m asl -20 :-)
  • Weather Preferences: Cold and Snow -20 would be nice :)
  • Location: Solihull, WestMidlands, 121m asl -20 :-)
Posted (edited)

12c is average for April DWW

Lucky for you Posted Image Max out at 10.1c but noticed some at 7.1c ... I presume you're in Wales then.

Edited by Dancerwithwings
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TonyH Experienced

TonyH

Posted
  • Location: Llanwnnen, Lampeter, Ceredigion, 126m asl (exotic holidays in Rugby/ Coventry)
  • Location: Llanwnnen, Lampeter, Ceredigion, 126m asl (exotic holidays in Rugby/ Coventry)
Posted (edited)

Lucky for you Posted Image Max out at 10.1c but noticed some at 7.1c ... I presume you're in Wales then.

14c here but damp, 12c I meant at Coleshill close by you.

EDIT You are right the 12c maximum was yesterday evening on ogimet, Coleshill day max 10c that is rather cool I guess.

Edited by TonyH
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Dancerwithwings Maestro

Dancerwithwings

Posted
  • Location: Solihull, WestMidlands, 121m asl -20 :-)
  • Weather Preferences: Cold and Snow -20 would be nice :)
  • Location: Solihull, WestMidlands, 121m asl -20 :-)
Posted (edited)

14c here but damp, 12c I meant at Coleshill close by you.

EDIT You are right the 12c maximum was yesterday evening on ogimet, Coleshill day max 10c that is rather cool I guess.

Can't moan too much! The poor folk on the east coast of Scotland have had it for many days.

Sorry! Left you guys out on the east coast of northern England toPosted Image

Edited by Dancerwithwings
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NL Aficionado

NL

Posted
  • Location: South Shields Tyne & Wear half mile from the coast.
  • Location: South Shields Tyne & Wear half mile from the coast.
Posted

Can't moan too much! The poor folk on the east coast of Scotland have had it for many days.

Sorry! Left you guys out on the east coast of northern England toPosted Image

Todays the day when all this fog and murk is pushed away (according to GFS)..hurray..!!! 7-8 days without sunshine is enough to drive even Laserguy mad ( well probably not).. At least we had a pretty good thunderstorm just before the fog arrived..

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vladthemert Enthusiast

vladthemert

Posted
  • Location: cleethorpes
  • Location: cleethorpes
Posted (edited)

Todays the day when all this fog and murk is pushed away (according to GFS)..hurray..!!! 7-8 days without sunshine is enough to drive even Laserguy mad ( well probably not).. At least we had a pretty good thunderstorm just before the fog arrived..

 

lucky so and so we didnt just ended with load polution, defra had us on level 9 out of 10 we still high 8 today but media ignored it.  Might just be whisper of it breaking here.

 

edit tempreture has shot up today wonder this improves chances convective action 14.7c at moment here

Edited by vladthemert
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