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Everything posted by Another Kent clipper
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Day 1 Convective Outlook VALID 06:00 UTC Wed 11 Jul 2018 - 05:59 UTC Thu 12 Jul 2018 ISSUED 04:08 UTC Wed 11 Jul 2018 ISSUED BY: Dan The remnants of a shortwave trough will slide slowly southeastwards across the Irish Sea during Wednesday, towards Wales by Thursday morning. Subtle forcing with this feature will encourage showery outbreaks of rain to develop in the vicinity of this shortwave throughout this forecast period. Some convective interest may exist across England and Wales this afternoon and evening with diurnal heating, breeze convergence and orographic forcing aiding the development of convective cloud - and while a shower or two is possible, forecast soundings exhibit a notable warm nose at 700mb, which will inhibit any sufficient depth for lightning activity - as such, no threat levels have been issued. Moistening of vertical profiles through the night will likely see further showery bursts of rain developing over parts of Wales / Midlands - but with fairly saturated profiles and meagre instability, lightning potential is considered very low.
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Yeah, I can't imagine north London not usually having many storms come to think of it. I was in Edmonton 2 summers ago, late june into july. The storms were immense!
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Edmonton alberta or London?
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The daily express or daily something whatever seem to be a little more excited this weekend's convection. I think they copied and pasted most of it from the last time a cloud or two was forecast.. https://www.express.co.uk/news/weather/984765/BBC-weather-forecast-news-UK-London-Met-Office-heatwave-latest-thunderstorm
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That's a good question. How big does a lightning bolt need to be in order for thunder to be heard? Are we in fact experiencing 'thunder' storms on a regular basis with say, 2 metre-long lightning bolts that are inaudible and invisible from the ground / detector? Edit... it occured to me a 'baby' bolt would need to travel from the positive to the negatively charged ends of the cloud. But how far apart do these + & - sections need to be?
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@Windblade Seriousness aside, there is one positive about this dominant high pressure: no storm equals no bust. If I had to mix in the sweltering heat with the added disappointment of storms peter out somewhere along the A47 on their route to the north sea, well... whilst being worn out because I'd stayed up to cheer on a french import
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Similarly the stormy weather happened when I was out working near ashton under lyme and was short lived so no photo opportunities or good viewing. The big convective torrential raindrops and ominous approaching clouds however left me quite refreshed and satisfied. Approximately four rumbles were heard I'm not gonna lie
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Describe your perfect storm scenario
Another Kent clipper replied to Another Kent clipper's topic in Storms & Severe Weather
@cheeseI can picture the rising steam scenario, kinda like a tropical shower; sounds like a derecho or general squall line, I'd love to be in the way of one of those! -
If you had control of the weather what would you put where in and around the UK to create your perfect convective event? As there are some very knowledgeable weather people on here it would be very interesting to see what gets 'created'. Or alternatively, I'd be happy to hear about a perfect convective event of the past where everything just fell into place. With my lack of knowledge here is mine: It's june 30th. Spanish plume heads up UK friday 9am baking the surface; Atlantic ex-huricane from the west hits north wales at 3pm; shortwave heads north from south coast towards Scotland 5pm I don't know what this results in, claggy rainy mess? If so, 29C baking sun from Saturday morning onwards then with wind shear and humidity please. This is where I need more knowledgeable folk to step in!
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I don't have any formal knowledge of storms so sorry for getting anyone's hopes up. In the context of elevated storms entering the UK I would assume that any MCS, (eg large circular-shaped rain mass, squall line, or bow / hook echo) blowing in our direction would be elevated by the time it reaches us. The ones I've noticed this year coming up from France have been circular; and afraid of northern england
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Fair play. Well, if you get a storm first be sure to share some footage, you have way more hills to see sky from than south Manchester...