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Found 34 results

  1. As I'm sure you're aware, lightning bolts can display a wide variety of colours ranging from lilac, white and blue, to even more exotic colours like yellow, orange and even green. There are many causes for this wide variety of colours. This ranges from the temperature of the lightning to atmospheric and environmental conditions, as mentioned below: Lilac/purple lightning Lilac or purple-tinted lightning is usually the most commonly observed colour. It is often caused by precipitation, so the observation of it most likely means that the thunderstorm generating it will be a high-precipitation storm. Lilac lightning is also rumoured to produce louder thunder, though this is disputed. Blue lightning Blue lightning bolts tend to be the hottest lightning bolts to occur on earth. They are also some of the more commonly observed colours (after lilac lightning). Atmospheric-wise, they maybe caused by small amounts of dust in the atmosphere. This is because these dust particles scatter the light coming from the lightning, in a similar way to how molecules in the atmosphere scatter the sun's light, making the sky also look blue. White lightning The light radiated by virtually all lightning bolts is white. This means that to observe it, the air must be free of pollutants and dust which can scatter and refract light - so essentially you're seeing the lightning with very little interference from the atmosphere. White lightning is also the some of the hottest lightning that occurs on earth (after blue lightning). Yellow lightning Yellow lightning bolts are much more uncommon and tend to be cooler than blue, white and lilac lightning bolts are. They also tend to be indicative of dry thunderstorms, so the presence of yellow-tinted lightning could mean that an approaching thunderstorm is a low-precipitation storm. Other colours Other colours of lightning have also been reported. Orange and red lightning has been observed and these bolts tend to be some of the coldest lightning. These colours also tend to be observed near the base of the lightning, as it strikes the ground. Green-tinted lightning is also occasionally seen, and this may be caused by the lightning heating up certain gases in the air, giving it a greenish tint. Well that was a bit of fulminology for you there. I hope you stuck with it, and thanks for reading.
  2. Came across this channel a few years back when he was creating his own mine in the US, this video recently popped into my subscription box. He talks about the science behind why you can hear thunder underground before you can hear it through the air, really interesting topic.
  3. Well might as well get the ball rolling early this year. No storms today.
  4. As requested by @Dami, a new thread for the new convective season. Reckon I'll be spending a bit of time in here
  5. There is a video of storm filmed in spain, hope you enjoy https://www.youtube.com/watch?v=TNtzbz2uGtA
  6. Hey all, I made a tornado compilation quite a while back (December 5th 2015) and I was very proud of my first compilation about tornadoes but, unfortunately it didn't get as much as attention I was hoping for on my youtube channel and that disappointed me a bit so I thought that I'll share it on here with people who have similar interests. https://www.youtube.com/watch?v=HC6wiS5GXkI sorry about the screen resolution I tried to fix it but It seemed that I'd have to start all over again to get it to fix with the correct resolution so I just kept it as it is.
  7. Thunder heard at 4:31 pm from cell to N.E. giving heavy soft hail shower over Ripley at this time. Further rumble at 4:37 pm. First thunder heard for exactly 8 months, previous being 26th August 2015. Good to finally have our first event of the year, although it was not from an overhead source. There had been moderate soft hail showers at 3:43 pm and another at 7:30 pm (Guildford).
  8. I've just been looking through the lightning archive and I have been absolutely amazed at how much lightning has been recorded throughout this month so far. Every day so far, except for the 21st has recorded lightning somewhere in the UK, mainly in Scotland and Northern England. It really makes me think... has the UK just had one of it's most thundery Decembers on record? The dates that really caught my eye were the 7th, 10th, 11th and 19th (all pictured below).
  9. From the album: Thunderstorms

    Up at 3am to catch this powerful thunderstorm as it skirts up the east side of the Island.

    © 2014 Joshua Risker

  10. From the album: Thunderstorms

    One of the two thunderstorms I got to see whilst on holiday in Greece, July/ August 2014.

    © 2014 Joshua Risker

  11. We are now heading into spring and later summer, which means that the thundery showers and thunderstorms will soon be developing. Use this thread to post your videos and images from thunderstorms in the UK and they can be from this year, or any other year you wish! I'll get us started. This was a storm that was recorded on November 9, 2013.
  12. Thundersnow is a weather phenomenon in which you have thunder, lightning and snow falling as the primary precipitation, instead of rain or hail. It is very rare in the UK, but some of us have claimed to have seen it... Personally, I've seen thundersnow only once. On the evening of 25 January 2013, I saw a huge flash of light and then a deep rumble of thunder during a snowstorm, from my home in Manchester. However there was only one lightning strike. There we also some huge snowflakes too, some maybe 5cm in diameter!
  13. On holiday in the wonderful island of Skiathos at the moment. Thunderstorms have been forecast for a while now, on Friday and Saturday. Something striking has appeared on the Euro4 models. They show over 300mm of rain falling on Skiathos in two separate times. Surely this can't be right, is Skiathos in for thunder and how severe will it be...?
  14. Captured this massive thunderstorm over Bolton on the 19th of July Was quite a thrilling lightshow and biggest storm i have seen
  15. Hello everyone. Where would you name the thunderstorm capital of the UK? I would love to hear everyones feedback Lets hope this 2014 season is a cracker!
  16. And it's on with a new thread I've had 4 rumbles in the past 2 days not bad considering I have been very storm starved for a very long time Lol. Looks to be more tomorrow, now who's going to strike lucky tomorrow It's a shame I have nothing here tonight as the convection is awesome. Anyway, here's hoping to read some great reports and don't forget your pics and videos which are most appreciated Good luck everyone
  17. Another day and not looking too bad for North of the UK and Northern Ireland. Last chance for those who have missed out for a while.
  18. Been a good day for some of us! Carry on the discussion right here...
  19. It's a shame about yesterday but we all may have another chance tonight and tomorrow. So here's another new thread for a new day. Good Luck everybody.
  20. From the album: Thunderstorms

    © Joshua Risker 2014

  21. A nice new thread folks. We are looking at a possibility of storms over the next few days. So please carry on the discussion here and good good luck everyone.
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