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Storm & Convective Discussion - 1 September 2015 onwards

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Not sure if it was a dream, but did the East Midlands (Leicester) have any thunder in the early hours today? Around 4.30-7.30 am? Sort of woke to something, but never fully regained consciousness if you know what I mean?

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lightning died out in the northern section so no lightning from this one for us. I'll be interesting too see what rainfall we get.

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Sudden very gusty winds here I would say easily 40-45mph very strange it's quite ahead of the squall line to

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Wow,  that is seriously  heavy.

Rain with hail and wind being forced though in Kenilworth.

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Some echoes to the north of us of course nothing here just started to rain. Surprised by the lack of wind. Shouldn't last long though.

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Bit more active now chucking it down and a bit of a breeze behind it. ;)

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Few strikes of Isle of Wight!

Edited by Rain123

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Nearly over now Max gust 41 mph and 3.2mm of rain from it so far.

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Didn't hear any thunder at my location, however there was small hail pellets at the core of the trough with some heavy rain for a time. The cloud base dropped significantly also.

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Radar map 1530hrs:

5685548757751_Latestrainfall1530hrs-rada

On this active front some outbreaks of lightning/thunder, very heavy rain, hail, sleet and snowfall risk, gusty 40-50mph gust of wind (on and also  around the front), also some active showers after the front too, as seen also on the radar here. Turning cold even very cold feeling.

(Image 2 parts joined)

 

(front moving from the west to the east)

 

Radar image used: http://www.metoffice.gov.uk/

Edited by ZONE 51

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You can rule out Snow on the front and lightning has died out. Heavy rain, some hail gusty winds yes.

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I suspect the band over wales will miss us but you never know.

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Arrived here in Stanwell (next to Heathrow AP south side) .. rain becoming very heavy some very strong winds be getting up soon

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Hmm, some small hail in that squall line. Pretty good for this time of year...

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NW/BBC/MO have mentioned the risk of thunder in the south UK, anytime is interesting for convective but it's January and is not really chatted about as much as when it's the usual convective seasonal months. Usually it's only a few rumbles anyway but there can be thunderstorms any month.

Looking at the GFS I see the lifted index is negative or yellow indicating an unstable air-mass after the rain fronts move through today, bringing heavy downpours of a convective nature later today, overnight and Monday particularly over the SW and South coast possibly moving inland at times. Low pressure is in charge today.

My barometer has dropped at least 5 mb since a few hours, it's heading left of the centre as the low heads up.

 

5688fdc810638_LIFTEDINDEXNEG-1.thumb.gif5688fdcac0a58_LIFTEDINDEXNEG-1------2.th5688fdd5b5dec_2LIFTEDINDEXNEG-1------2.t5688fdda30ba4_HVYSHWS-THNDR-GFSSP(arrows

 

Just had a look around UKWW has chat on the potential. Estofex have some lightning risk SW UK.

 

Edited by ZONE 51
to add info

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Cheers supacell, you're forecasts are always in depth and very interesting! I will keep an eye out for any hail/lightning tomorrow.

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I'll be watching out the window for convection clouds as I'm flying back to Limoges in an hour!

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