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Convective/Storm Discussion Thread - 8th July onwards

Supacell

By Supacell
in Storms & Severe Weather

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Windblade Rising Star

Windblade

Posted
  • Location: NW Bexley, Kent
  • Weather Preferences: Storms, rain, tornados, funnel clouds and the northern lights
  • Location: NW Bexley, Kent
Posted

Some lovely skies this morning...

20170727_063543.thumb.jpg.1e28eb85c5414fa9a2608b15d8dac1a0.jpg

20170727_063549.thumb.jpg.d6c51a3973514c28389592160b372d55.jpg

20170727_063606.thumb.jpg.120060f5102239a6268d67c72ba9ef3c.jpg

Unstable atmospheric conditions? We do have a small chance of storm activity this afternoon.

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Windblade Rising Star

Windblade

Posted
  • Location: NW Bexley, Kent
  • Weather Preferences: Storms, rain, tornados, funnel clouds and the northern lights
  • Location: NW Bexley, Kent
Posted

Day 1 Convective Outlook

VALID 06:00 UTC Thu 27 Jul 2017 - 05:59 UTC Fri 28 Jul 2017

ISSUED 20:25 UTC Wed 26 Jul 2017

ISSUED BY: Dan

Upper vortex will be located to the northwest of Scotland, but with a trough axis swinging eastwards across the British Isles on Thursday. As a result, cool air aloft atop relatively warm SSTs and diurnally-heated land will steepen lapse rates, allowing numerous showers to develop, some weakly-electrified.

Best mid-level lapse rates (and hence lightning potential) will be found from Wales - Midlands - East Anglia / Lincolnshire, though some uncertainty as to whether a weak feature in the morning / early afternoon could bring more cloud and some dynamic precipitation to southern parts of Britain for a time, which might have a knock-on effect to any convection for the afternoon/early evening. Given strong DLS, any heavy showers will be capable of strong, gusty winds and perhaps some small hail.

 

While instability will weaken from the west later in the afternoon and overnight, deep instability will return to western Scotland later in the night.

 

Capture.thumb.JPG.079748dad662d33ea442b91ea9ebd657.JPG

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Dimahop Newbie

Dimahop

Posted
Posted (edited)

What do the two maps represent?

Obviously the British isles but I'm reading that as Low to Slight chance of convection or are they different times of day?

(Sorry...I should educate myself more on the data!)

 

Reading the text I may decide to drive up to Lincoln way.

Edited by Dimahop
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karyo Maestro

karyo

Posted
  • Location: Brighton (currently)
  • Location: Brighton (currently)
Posted (edited)
On 7/23/2017 at 23:02, Jcweather said:

 

It is kicking off to my northwest!

 

Can't get rid of the respond to JC option

Edited by karyo
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Arnie Pie Accomplished

Arnie Pie

Posted
  • Location: Birmingham, Harborne 160 asl
  • Weather Preferences: Columus Bigus Convectivus
  • Location: Birmingham, Harborne 160 asl
Posted

Rumble of thunder to my west....Black Country

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Gord Rising Star

Gord

Posted
  • Location: Upper Gornal, Dudley, 205m asl
  • Location: Upper Gornal, Dudley, 205m asl
Posted

Quite a close crack of thunder here but most importantly, it's the first of 2017.

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Mr_ Nexus Contributor

Mr_ Nexus

Posted
  • Location: The Port with no sea , Sandwell , West Midlands
  • Weather Preferences: Thunderstorms
  • Location: The Port with no sea , Sandwell , West Midlands
Posted

Thunder heard here in Tipton ... first of the year :yahoo:

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Lowestoft Weather Enthusiast

Lowestoft Weather

Posted
  • Location: Lowestoft Suffolk UK
  • Weather Preferences: Thunderstorms
  • Location: Lowestoft Suffolk UK
Posted

Have had a recent downpour just north of Haverhill Suffolk. The heaviest precipitation was towards Linton Cambridgeshire.

Some rotation going on with this heavy downpour but sadly no tube today.

 

20170727_152905.jpg

20170727_153020.jpg

20170727_152256.jpg

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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
15 minutes ago, Gavin Plummer said:

Have had a recent downpour just north of Haverhill Suffolk. The heaviest precipitation was towards Linton Cambridgeshire.

Some rotation going on with this heavy downpour but sadly no tube today.

 

20170727_152905.jpg

20170727_153020.jpg

20170727_152256.jpg

Yeah i saw earlier one of the small cells taking a right against the flow on radar and it does look like it's the one you photographed confirming visual rotation in conjunction with the radar.

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GlennP2 Contributor

GlennP2

Posted
  • Location: Lincolnshire Coast
  • Weather Preferences: Stormy!
  • Location: Lincolnshire Coast
Posted

Hi

A couple of rumbles from this as it passed out into the Nth Sea. The way the cloud was growing as it passed over was quite amazing.

Cheers

Glenn

20170727_163157.jpg

20170727_163225.jpg

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Arnie Pie Accomplished

Arnie Pie

Posted
  • Location: Birmingham, Harborne 160 asl
  • Weather Preferences: Columus Bigus Convectivus
  • Location: Birmingham, Harborne 160 asl
Posted

Angry skies in view

IMG_2208.thumb.JPG.29aac722adbffb4fd544cf667679c80e.JPG

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Supacell Accomplished

Supacell

Posted
  • Location: Belper, Derbyshire
  • Weather Preferences: Thunderstorms
  • Location: Belper, Derbyshire
  • Author
Posted

Thunderstorm to the south west of Derby near Burton on Trent. Not on course to hit here, but it may just break the storm drought for some Derby folk.

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matt111 Maestro

matt111

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

Nothing here so far today but looks like something passing to the north. 

IMG_0684.JPG

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stainesbloke Maestro

stainesbloke

Posted
  • Location: Nymburk, Czech Republic and Staines, UK
  • Weather Preferences: Sunny and warm in summer, thunderstorms, snow, fog, frost, squall lines
  • Location: Nymburk, Czech Republic and Staines, UK
Posted (edited)

Very heavy shower here about an hour ago, then a spell of warm sunshine. Now torrential again!

Edited by stainesbloke
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Eye to the sky Enthusiast

Eye to the sky

Posted
  • Location: Denby,Derbyshire,90m/295ft asl De5
  • Weather Preferences: Thunderstorms/Clear and Frosty/Snow Showers
  • Location: Denby,Derbyshire,90m/295ft asl De5
Posted
24 minutes ago, Supacell said:

Thunderstorm to the south west of Derby near Burton on Trent. Not on course to hit here, but it may just break the storm drought for some Derby folk.

 I just caught the edge of that storm leaving Derby,heavy rain and heard one sharp crack of thunder and saw one bright flash of sheet lightning.So I guess I'm out of the no storms club!!.5 miles north back home there's no rain at all.

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GlennP2 Contributor

GlennP2

Posted
  • Location: Lincolnshire Coast
  • Weather Preferences: Stormy!
  • Location: Lincolnshire Coast
Posted (edited)

Constant thunder just off the coast at Spurn now. The odd flicker of lightning seen followed by some deep booms. Must have missed us by at least 1-2 miles. Got some threatening clouds approaching from the west so hopefully a direct hit is imminent 

Regards Glenn 

20170727_175925.jpg

Edited by GlennP2
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Mapantz Maestro

Mapantz

Posted
  • Location: Dorset
  • Weather Preferences: warehamwx.co.uk
  • Location: Dorset
Posted

Not that you can decipher much, but here's the radar for the Wigan postcode last night:

597a1e024a7e2_2017-07-27(4)_LI.thumb.jpg.8bc9b43457593bc0ec8a485fad2cb1e6.jpg 597a1e135aa1c_2017-07-27(5)_LI.thumb.jpg.52768199d8d55aa203e2742c7fc1e633.jpg

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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

Nothing here again but plenty of activity to the east coast.

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