Noctilucid

Thanks for the info, maybe the beeb/metoffice are just covering themselves incase there is significant thundery activity, it seems the last few severe thunder events have schocked them into a state of alertness, before they were very reluctant to mention thundery activity, now they tend to forecast it quite well. Theaccuracy of the beeb has certainly improved, they almost got it completely correct today except the showers werent/arent so widespread. Joe

erm, i agreed with him One post by someone else isnt exactly ganging up on someone is it? Joe

I agree, theres certainly nothing funny about thousands of people being killed! Anywho im confused, is rain expected to come from thunderstorms of dynamic rain with convective areas embedded? Joe

Plymouth webcamlink posted on TWO, hopefully you can watch the storms from there. http://www.royalalbertbridge.co.uk/html/bridgecam.html Cam is in real time, amazing framerate, however it does keep panning to different parts of Plymouth :lol: Joe :lol:

Another boom of thunder, however this one seems to be coming from the W, where another cell is developing, this must be over the enfield/edmonton area. Joe

If you have good views to your East/NE youll see some mental black clouds! Joe

indeed, the strongest convection was in an SE/NW oriented line, and still is although moving slowly east, it really took off suddenly, i guess as the convergence set up, the storm cells developed right overheadwithin about 20 minutes! Very dark to my east as new cells set up on the convergence line south of the first one, milky skies everywhere else. Joe

The storm is backbuilding and ive just had another rumble from another new cell to my SE, looks like itll just brush past to the East. Joe

Here in harold hill weve just had a storm of HERCULEAN proportions, seiriously, superlatives simply cannot describe what it was like. Convection had been going for an hour or two when at about 2:45 the updrafts around just burst into the sky, you could see themmoving, absolutely rocketing!! Then it turned grey overhead as an area of capped convection moved over giving us light rain, then behind it dark bases came into view with solid rainshafts, then as soon as it had all began absolutely torrential rain began with huge drops, this then cleared but within minutes, another dark base area appeared, torrential rain real really wound up, almost as insane as last may! A really loud boom of thunder followed, followed a fem minutes later by an absolutely deafanning crack, i was siiting it out in my school office with my mates, and we thought it was a door slamming!! Several distant rumbles followed, but the rain carried on gettingheavier and heavier, my grandad came to give me a lift hom from school and i got saoking west just stepping the few metres to the car!!! Words cannot describe it! as the back end of the storm appraocehd mental outflow winds began blasting from the NE, in the opposite direction to the wind before I The school carpark and feild were at least 1ft deep in water, and were half wayup a hill!! Grandad said the whole A127 was flooded, and soon we saw a fire engine haeding for the M25, so must be a ansty accident. Through hraold wood and Ardeleigh green Water was over 1ft deep in places and several cars are stuck, soon the rain cleared and were left with an overhanging updraft sheild, with some strong convection pushing up into the Rear, which stretches across the Eastern horrizon and is jet balck!!! sadly i have no camera battereis Canstill hear the odd distant boom. Although lighting activity wasnt as severe or as frequent as last mays storm (when we had almost constant G-Cs and even heavier rain, this storm was pretty damn impressive!! Joe

It appears to be backbuilding overhead here, very dark again but further east now towards brentwood. Joe :unsure:

My siset just got back from the stables (next to the river roading and right next to the m25 between the A12 and M11 near stapleford airfirld, she said they had a violent 10 minute thunderstorm, with cracks of thunder and visisble C-C lightning arcing across the sky, this is about 5 miles away but here we have had no thunder or rain at all, however the builiding congestsus could be seen as well as dark basesas it moves off to the NE. Joe

My mate who lives in Hatfield Pevrel has just reported thunder from the same cell that affected epping earlier, its travelling up the A12so your in with a chance now. Joe

about 5 minutes ago my dada reported torrential rain in Epping high street. Very dark in that direction. Joe

The congestus is producing a small but heavy shower over the Ching ford mount area, at the south end of the enfield reservoirs, itsveryvery very dark in that direction, and i can still see the congestus tops pushing upwards, above that is very thick cirrius cloud. Joe

N/S oriented line of congestus hasbeen pushing hard into the sky for an hour or so now out to my west, since I last looked itesgained height and nowhas a very dark base, almost jet black. Visibility has been very goodtoday despite the humid condidtions, and these towers are clearly seen and have crisp cauliflower shapes, and i think one is forming an anvil now. Joe

I tend to use the detectors as an indicator as to if theyre is lightning about, but not where, they tend to be very good at showing the strike rates but not so good at showing the posistion. What we need is a system like that in the USA, where they have a system that can show lightning happening in real timeon a map, and they can pinpoint the lightning to within a few hundred yards, and its in real time! I guess they do this by triangulating the sensors or connecting them together in one larege network, and this gives much much better accuracy, similar to the system that netweather uses except it all comes up in real time i think. Joe

Ive just been told by my dad that there was distant booming thunder to our south about and hour ago, i noticed some very dark bases but i thoughtit was aircraft, i couldnt see the tops of thses cluds but my dad has confirmed that there was thunder coming from it a few miles to our south. Its all cleared southwards now anyway. Joe

Yup id say it was anaprop too, the core stayed the same shape and in the same location through several frames, however theres another echo going up over S london in the Reigate/Caterham area centred overthe M25 M23 Junction, small at the moment so well have to wait and see if this is real. Joe

meteox radar is what were using www.meteox.com 15 minute updates, zoom function and usually very accurate. Joe B)

Looks like im riding this out alone then, havent heard from Tamara, you havent been wiped out have you?!?! B) Its all closing in for a direct hit here. Joe

this reminds me of the medway sausage last september, im right in the path asi was that fateful night, earlier thisthing looked a bit strawberry shaped, and seeing as it is red on meteox radar, i christen this one, the Medway Strawberry! Joe

Looking in your direction i cant see much in the way of convection, however, over to my immediate south west there is a high based cell which is quite dark grey, and has some weak mammatus under its low topped anvil, so this must be what you are seeing, i am roughly West-North-West of you. Convection seems well capped though, the cell that produced the thunder earlier musthave broken this cap, the rest of the convection seen today is just spreading into a stratus layer at mid levels. Joe

Its all cleared off to my south now. Joe

Although theres nothing on radar the past hour and a half weve had several 'dry' thunderstorms move through here! Thyre moving quite fast and i cant see convection as its all embedded in stratus cloud, aound 2:00pm there were some dark bases around and theyve been producing rumbles since then, the bases are getting larger and darker but still no precip,it has become noticably more humid also. Joe

Thunder reported in West yorkshire, probrably from west of Ripon and harogate and over leeds also. reports of hail and torrential rain also in the area. Joe