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Everything posted by Pat Butcher
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Here's my theory: I grew up in rural Wales, where you could see for miles around. However, living in Leeds as I do now, there's loads of hills and buildings everywhere. If there was a storm within 10 miles in Wales, I'd have seen and heard it. Now, I can see something kicking off on radar 5 miles up the road, but have absolutely no concept of it where I am. If I had the day off tomorrow, I'd head up the Chevin and sit outside the Royalty, watching the anvils roll by. What a great day that would be!
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Wow, tomorrow afternoon/evening is absolutely exceptional on that model, storms running east to west across the spine of northern mainland Britain. Less so on GFS but more than enough energy to kick off. I'll be interested to see what the experts (Nick F, Estofex) make of the severe threat. The models definitely don't scream tornadoes however there's hugely significant disagreement (see the two 0-6km shear models).
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Storm & Convective Discussion - 12th June 2015 onwards
Pat Butcher replied to Supacell's topic in Storms & Severe Weather
It's too early on Monday morning to post anything in the technical thread, but Wednesday 18-21Z is making me rather tumescent... -
Storm & Convective Discussion - 12th June 2015 onwards
Pat Butcher replied to Supacell's topic in Storms & Severe Weather
Warm humid evening, a couple of hundred J/kg CAPE, probably only just meets the hypersensitive threshold for thunder. There'll probably be thunder forecast over a very broad area, with a couple of strikes popping up here and there. -
Storm & Convective Discussion - 12th June 2015 onwards
Pat Butcher replied to Supacell's topic in Storms & Severe Weather
Any Altocumulus Castellanus? -
Storm & Convective Discussion - 12th June 2015 onwards
Pat Butcher replied to Supacell's topic in Storms & Severe Weather
Anyone else spotted that little storm just to the east of Basel? Can't be more than 10 miles in diameter yet it's clocking up just shy of 180 strikes/min. Is that normal for a strong pulse storm or indicative of something stronger? -
Storm & Convective Discussion - 01/06/15 onwards
Pat Butcher replied to Thunderbolt_'s topic in Storms & Severe Weather
Really? Would be absolutely chuffed. According to the Netweather storm risk calculator we're in for 1300 CAPE with -5 LI until about midday when it all dissipates. It is really hot and humid out there at the moment but there isn't a cloud in the sky. -
Storm & Convective Discussion - 01/06/15 onwards
Pat Butcher replied to Thunderbolt_'s topic in Storms & Severe Weather
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Storm & Convective Discussion - 01/06/15 onwards
Pat Butcher replied to Thunderbolt_'s topic in Storms & Severe Weather
Just FYI - you can set up a proximity alarm on the Blitzortung Lightning Monitor app on Android, so that it'll go off when lightning is detected within X km of your location. Definitely not 100% reliable but I'll certainly be leaving my phone next to my bed tonight. -
Storm & Convective Discussion - 01/06/15 onwards
Pat Butcher replied to Thunderbolt_'s topic in Storms & Severe Weather
Just to put me out of my misery, anything as far north and central as Leeds is out of the question? -
Storm & Convective Discussion - 01/06/15 onwards
Pat Butcher replied to Thunderbolt_'s topic in Storms & Severe Weather
Whoever said we might get excited when LightningWizard's charts come into range was spot on. Looking at LightningWizard for 09Z on Friday I'd posit this is a classic Estofex Level 1 scenario for mainly the South Eastern tip of England and to a lesser extent mainland England as far as Bristol in the West and Newcastle in the North. Low level CAPE in a minimally heated environment, but with 150-300m2/s2 SRH1 and 40-60kt to greatly assist organisation should anything happen to develop. -
Storm & Convective Discussion - 01/06/15 onwards
Pat Butcher replied to Thunderbolt_'s topic in Storms & Severe Weather
Really great post there, thanks Ralph. That aerial photo brings home the fact that as much as I'd love to witness a proper supercell, the prospect of that F3 roaring its way through my little terraced house is considerably less appealing! -
Storm & Convective Discussion - 01/03/15 onwards
Pat Butcher replied to Thunderbolt_'s topic in Storms & Severe Weather
Stop it, we all know that this good stuff is just going to end up in Lincolnshire!