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17 July 2011 - Storm/convective Forecast, Discussion And Reports

Jane Louise

By Jane Louise
in Storms & Severe Weather

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matt_in_dudley Contributor

matt_in_dudley

Posted
  • Location: Russells Hall, Dudley, West Midlands
  • Weather Preferences: Thunderstorms, hot sunshine and snowstorms
  • Location: Russells Hall, Dudley, West Midlands
Posted

Could do with a good storm! Have missed out 5 or 6 times now and it's driving me mad! Was on the edge of the Penkridge storm a few weeks ago but that's all i've had this year.

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Alex95 Contributor

Alex95

Posted
  • Location: Newcastle upon Tyne
  • Weather Preferences: Thunderstorms and heat, North Sea snow
  • Location: Newcastle upon Tyne
Posted

Boom clap of thunder here, that's 10 days of thunder heard this year :D

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tomp456 Seasoned

tomp456

Posted
  • Location: Worthing, West Sussex
  • Weather Preferences: Anything unusual
  • Location: Worthing, West Sussex
Posted

Boom clap of thunder here, that's 10 days of thunder heard this year :D

meh. :D

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Harry Accomplished

Harry

Posted
  • Location: Bexley (home), C London (work)
  • Weather Preferences: Thunderstorms
  • Location: Bexley (home), C London (work)
Posted

According to strikestar, there have been a number of strikes within a couple of miles of me! Pouring again, very dark skies, yet nothing.... :cray: come on, fire something off!!!

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Snowstorm1 Apprentice

Snowstorm1

Posted
  • Location: Thornaby-on-Tees
  • Weather Preferences: Snow Showers, Snowy Periods , Blizzards, Cold Weather
  • Location: Thornaby-on-Tees
Posted

Eased Down now but still raining

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Alex95 Contributor

Alex95

Posted
  • Location: Newcastle upon Tyne
  • Weather Preferences: Thunderstorms and heat, North Sea snow
  • Location: Newcastle upon Tyne
Posted (edited)

Flash of lightning to my NW. The storm seems to be North West of Newcastle, moving W-E.

Edited by alza
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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

According to strikestar, there have been a number of strikes within a couple of miles of me! Pouring again, very dark skies, yet nothing.... :cray: come on, fire something off!!!

I'm not sure how much I trust the strike radar. There's supposedly been a couple pretty much directly over me, but there haven't been. Pouring down though.

Also when people say a strike was positive what does this mean and how is it different to a regular strike?

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snow raven Seasoned

snow raven

Posted
  • Location: Barnehurst nr Bexleyheath, Kent
  • Location: Barnehurst nr Bexleyheath, Kent
Posted

Had a couple of rumbles here in Bexleyheath around 5-10 minutes ago. Pouring with rain!

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Harry Accomplished

Harry

Posted
  • Location: Bexley (home), C London (work)
  • Weather Preferences: Thunderstorms
  • Location: Bexley (home), C London (work)
Posted (edited)

Had a couple of rumbles here in Bexleyheath around 5-10 minutes ago. Pouring with rain!

Just had a loud rumble here :yahoo: just as the sod is moving away, lol!

And another....bloody typical lol! It was just overhead as well

Edited by Harry
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Nick F Maestro

Nick F

Posted
  • Location: Caterham-on-the-hill, Surrey, 190m asl (home), Heathrow (work)
  • Location: Caterham-on-the-hill, Surrey, 190m asl (home), Heathrow (work)
Posted

Storm in progress just to my north here at work at Hounslow/Heathrow. Got a great vantage point from the 10th floor of my office across NW London and across to central London, just seen a cg towards Southall way - which is disappearing in curtains of rain.

Unfortunatley no time to take and upload photos, as there's some great cloudscapes today.

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tomp456 Seasoned

tomp456

Posted
  • Location: Worthing, West Sussex
  • Weather Preferences: Anything unusual
  • Location: Worthing, West Sussex
Posted

I think a torrential downpour is moments away...

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loopydreamer Contributor

loopydreamer

Posted
  • Location: Hughenden Valley, Buckinghamshire.
  • Location: Hughenden Valley, Buckinghamshire.
Posted

whoop!!! the lights here zinged and flickered and then BANG!!!! one more rumble and now the suns poking through the clouds again!!! so kool!!! :)

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Harry Accomplished

Harry

Posted
  • Location: Bexley (home), C London (work)
  • Weather Preferences: Thunderstorms
  • Location: Bexley (home), C London (work)
Posted

I'm not sure how much I trust the strike radar. There's supposedly been a couple pretty much directly over me, but there haven't been. Pouring down though.

Also when people say a strike was positive what does this mean and how is it different to a regular strike?

Most cloud to ground lightning strikes originate in the base of the cloud, which is negatively charged. The intense negative charge within the base of the cloud, induces a positive charge on the ground. (The ground is neutral, however when you pass something near it which is heavily charged, in this case negatively, it repels all negatively charged particles within the ground and attracts positively charged particles - now, the surface of the ground is positively charged). When the charge built is too big for the air to insulate anymore, there is a discharge of energy in the form of a lightning bolt. The resistance overcome between the lowest part of the cloud and the ground is huge, but fairly standard.

Take the same process, and reverse it. This time, the positively charged TOP of the cloud induces a negative charge on the ground...if you consider the much greater distance (and therefore air in between, insulating the build up of charge) between the top of the cloud and the ground (sometimes over 40,000ft) you get an idea of the massive jump in energy (voltage, current, overall energy) we are talking about. Positive charged bolts normally happen, for the observer, either before a storm (as it's arriving and you're under the positively charged anvil), leaving (again, as the anvil overhangs) or throughout a storm if you're on the periphery of the storm and under the anvil. It is these bolts which are also known as 'bolts from the blue' as it can be sunny, warm, completely dry and then the most almightly bang of the thunder....it is then you look up and see an anvil overhead and probably and black sky towards the horizon.

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Carl46Wrexham Rising Star

Carl46Wrexham

Posted
  • Location: Wrexham, North East Wales 80m asl
  • Weather Preferences: Snow and thunderstorms
  • Location: Wrexham, North East Wales 80m asl
Posted

NW Wales is gonna get some flooding at this rate.

Looks like some serious amounts of rain..

I've got family out in that part of Wales and they've said pretty much the same...serious rainfall going on.

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Alex95 Contributor

Alex95

Posted
  • Location: Newcastle upon Tyne
  • Weather Preferences: Thunderstorms and heat, North Sea snow
  • Location: Newcastle upon Tyne
Posted (edited)

Torrential rain yet again, starting to get a bit repetitive as it always floods the garage. I'm going to Florida on Thursday, starting to wish I was going somewhere drier!

Edited by alza
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Summer Sun Maestro

Summer Sun

Posted
  • Location: Darlington
  • Weather Preferences: Warm dry summers
  • Location: Darlington
Posted

Brighter sky is now moving in over Darlington had no thunder just very heavy rain for around 10 minutes.

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Carl46Wrexham Rising Star

Carl46Wrexham

Posted
  • Location: Wrexham, North East Wales 80m asl
  • Weather Preferences: Snow and thunderstorms
  • Location: Wrexham, North East Wales 80m asl
Posted

I think its just Jane Louise, Phil and me left in the NSC now.

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Alex95 Contributor

Alex95

Posted
  • Location: Newcastle upon Tyne
  • Weather Preferences: Thunderstorms and heat, North Sea snow
  • Location: Newcastle upon Tyne
Posted

Wow I've had 42mm of rain in the last 48 hours!

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Harry Accomplished

Harry

Posted
  • Location: Bexley (home), C London (work)
  • Weather Preferences: Thunderstorms
  • Location: Bexley (home), C London (work)
Posted

Storm in progress just to my north here at work at Hounslow/Heathrow. Got a great vantage point from the 10th floor of my office across NW London and across to central London, just seen a cg towards Southall way - which is disappearing in curtains of rain.

Unfortunatley no time to take and upload photos, as there's some great cloudscapes today.

Looks very mean on radar Nick :D

Currently on a track for me, but with the swirling influence of the low and pulsating nature, it could be a floating anvil by the time it gets near here.

Still, some pokey deluges still in the vicinity of here :drinks:

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paul m Aficionado

paul m

Posted
  • Location: Morley, Leeds West Yorkshire
  • Weather Preferences: Snow and thunderstorms
  • Location: Morley, Leeds West Yorkshire
Posted

I think its just Jane Louise, Phil and me left in the NSC now.

Me too im in the nothihg area on the nw radar map

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Mesoscale Rising Star

Mesoscale

Posted
  • Location: Watford, Hertfordshire, 68.7m ASL
  • Weather Preferences: Humid Continental Climate (Dfa / Dfb)
  • Location: Watford, Hertfordshire, 68.7m ASL
Posted

Some crazy rain we have had today! i just hope that thunder can originate from these shows! :whistling:

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Carl46Wrexham Rising Star

Carl46Wrexham

Posted
  • Location: Wrexham, North East Wales 80m asl
  • Weather Preferences: Snow and thunderstorms
  • Location: Wrexham, North East Wales 80m asl
Posted

Me too im in the nothihg area on the nw radar map

So that's 4 of us cruelly deprived souls then...anymore?

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Snowstorm1 Apprentice

Snowstorm1

Posted
  • Location: Thornaby-on-Tees
  • Weather Preferences: Snow Showers, Snowy Periods , Blizzards, Cold Weather
  • Location: Thornaby-on-Tees
Posted

In the past 24 hours here Ive had 25.3mm of rain

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Nick F Maestro

Nick F

Posted
  • Location: Caterham-on-the-hill, Surrey, 190m asl (home), Heathrow (work)
  • Location: Caterham-on-the-hill, Surrey, 190m asl (home), Heathrow (work)
Posted

Looks very mean on radar Nick :D

Currently on a track for me, but with the swirling influence of the low and pulsating nature, it could be a floating anvil by the time it gets near here.

Still, some pokey deluges still in the vicinity of here :drinks:

Can see central London disappearing beneath the storm which has passed away from here now. Stopped the aeroplanes from landing for about 5 mins, but they are coming into land again from the east. Brightening up now.

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