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Camping in a thunderstorm

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Itchy
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PostPosted: 20:18 - 28 Apr 2009    Post subject: Camping in a thunderstorm Reply with quote

I was watching a video of Kazakhstan and Mongolia and there are regions which are flat and completely barren of trees and such like.... then it started showing 'climatic' changes to the regions such as the desertification of Mongolia and such which has caused more severe thunderstorms in recent times.

Erm my tent has alloy poles which stick into the ground or touch the ground, while my bike has insulating tyres meaning its somewhat likely a bolt of lightening may hit my tent.

So on a completely barren Steppe / sub desert area what is the threat from being fried by lightening? . My gut tells me that it will hit the alloy poles and conduct semi harmlessly into the ground with the extreme heat caused by this setting the body of the tent on fire. But my overactive imagination states that it will arc from the poles directly into me (and to boot I am going to be using a mylar sheet as an extra ground sheet).

Any thoughts?

Ta
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Handsome
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PostPosted: 20:28 - 28 Apr 2009    Post subject: Reply with quote

Make sure you've got your cock in your hand as then you'll come/cum and go at the same time...

HTH... Thumbs Up
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stinkwheel
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PostPosted: 20:44 - 28 Apr 2009    Post subject: Reply with quote

From reading about the consensus seems to be that if it is totally flat:

1) Do NOT be the highest thing around.

2) Do not be near the highest thing around.

3) Do not be near any pointed objects (metal or otherwise).

4) You are more likely to be effected by ground current than a direct strike so lying down is not helpful. Nor is standing with your feet apart.

5) Insulation does fuck-all. A free electrical arc just travelled through 300m of AIR. Rubber soles will do squat.

Practically, get in a dip, away from the bike or trees. Don't be in the tent with the poles up, it's a track to earth that is near you. Squat down. Keep your feet together.

Best bet to me sounds like putting on a poncho and hunkering down under it.

In case of a strike, perfor CPR. Lightning strike is DC, it causes cardiac arrest but NOT fibrullation. Rapidly applied CPR has a good chance of restarting the heart. A precordial thump may be all that is needed.

If there is a car or truck nearby, get in it. This will almost 100% protect you from lightning strike.
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Itchy
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PostPosted: 21:22 - 28 Apr 2009    Post subject: Reply with quote

Oh dear.... there doesn't seem to be much you can do......

*quietly files this under things to not think about*.
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Howling TerrorOutOfOffice
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PostPosted: 21:35 - 28 Apr 2009    Post subject: Reply with quote

Quote:
Squat down. Keep your feet together...and kiss your ass goodbye


Pat
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colin1
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PostPosted: 21:38 - 28 Apr 2009    Post subject: Reply with quote

I reckon the alloy poles will act as a lightning rod.

Electricity will choose the path of least resistance, so in your tent, the alloy pole will take the hit not you. They will also conduct electricity with little resistance, so wont generate much heat.

Its electricity going through something with resistance that generates heat.

Probably a good idea not to be too close to the tent pole though.
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stinkwheel
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PostPosted: 23:32 - 28 Apr 2009    Post subject: Reply with quote

colin1 wrote:
I reckon the alloy poles will act as a lightning rod.

Electricity will choose the path of least resistance, so in your tent, the alloy pole will take the hit not you. They will also conduct electricity with little resistance, so wont generate much heat.

Its electricity going through something with resistance that generates heat.

Probably a good idea not to be too close to the tent pole though.


Yeah, like within a couple of hundred yards. A lightning bolt hitting an alloy tent pole will pretty much vapourise it and set fire to the tent. The current will then track along the ground until it finds a low resistance track to earth.

If you are lying in the path of it, it'll pass right through you on its way. If said track passes via your heart, you're fucked. If you're standing with your feet together, you get track burns on your feet.

Here are a couple of "ground zero" lighting strike pictures. The only good policy is being nowhere near it. It turns sand to glass where it hits. It takes roughly 10,000V to arc through 1cm of air.
https://thegoat.backcountry.com/blog/files/2008/07/lightning-strike.jpg
https://i17.photobucket.com/albums/b59/jbodine/Misc/LightningStrike.jpg
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Phoenix
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PostPosted: 02:22 - 29 Apr 2009    Post subject: Reply with quote

colin1 wrote:
Electricity will choose the path of least resistance, so in your tent, the alloy pole will take the hit not you. They will also conduct electricity with little resistance, so wont generate much heat.


Don't you have an engineering degree? Seriously, I would've thought basic electricity was part of it.

To a bolt of lightning, a tent pole may aswell be a lamp filament, hit by 100 million volts of electricity it'll most probably vapourise and anything in the vicinity isn't going fair much better.

Go and put a metal knitting needle between your battery terminals and report back.
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Peirre oBollox
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PostPosted: 07:16 - 29 Apr 2009    Post subject: Reply with quote

stinkwheel wrote:
Squat down. Keep your feet together.

start praying, & kiss your ass goodbye Laughing
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Itchy
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PostPosted: 07:48 - 29 Apr 2009    Post subject: Reply with quote

c'mon guys this isn't funny!
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yen_powell
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PostPosted: 08:04 - 29 Apr 2009    Post subject: Reply with quote

I think Touratech provided Ewen and Charlie with asbestos pyjamas for this very reason. I believe that you can now buy 'Long Way Round' monogrammed pairs on the UKGSer site.
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Itchy
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PostPosted: 08:16 - 29 Apr 2009    Post subject: Reply with quote

yen_powell wrote:
I think Touratech provided Ewen and Charlie with asbestos pyjamas for this very reason. I believe that you can now buy 'Long Way Round' monogrammed pairs on the UKGSer site.


Meh stick the words Touratech or BMW or Acerbis on ANYTHING and the price increases by a factor of 10....
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stinkwheel
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PostPosted: 11:17 - 29 Apr 2009    Post subject: Reply with quote

Actually, the safest thing would be a suit of chainmail. This has a faraday cage effect. Live wire linesmen wear them to work on supergrid pylons.
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Howling TerrorOutOfOffice
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PostPosted: 14:46 - 29 Apr 2009    Post subject: Reply with quote

Itchy wrote:
c'mon guys this isn't funny!

From the Met Office
Quote:

The chances of being struck by lightning are about one in three million...higher than your chances of winning the jackpot in the Lotto...

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Feasty
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PostPosted: 14:55 - 29 Apr 2009    Post subject: Reply with quote

stinkwheel wrote:
From reading about the consensus seems to be that if it is totally flat:

1) Do NOT be the highest thing around.

2) Do not be near the highest thing around.



I never really understood this bit, okay I understand that it's not a good idea to be the highest thing around. So by standing next to something else that's the highest thing around means you're not, surely that's a good thing!? Of course just make sure if it gets struck you run around to the side NOT falling towards the ground! Laughing
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Howling TerrorOutOfOffice
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PostPosted: 15:02 - 29 Apr 2009    Post subject: Reply with quote

...and
Quote:
If lightning hits the ground, the charge spreads out and this 'ground current' can still cause injury by passing up and down victim's legs, particularly if there's surface water or the ground is wet. The Inca Trail takes travellers along high mountain paths in the Andes, and the thunderstorms seen here have to be seen to be believed. During one such storm, lightning struck the ground and travelled through surface water down the mountain side. A group of trekkers were blown off the metal legged stools they were sitting on as they sheltered in a tent from the storm.


the rest https://www.bbc.co.uk/weather/features/understanding/lightning_strike.shtml

Pat
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Itchy
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PostPosted: 21:48 - 29 Apr 2009    Post subject: Reply with quote

Howling Terror wrote:

The chances of being struck by lightning are about one in three million...higher than your chances of winning the jackpot in the Lotto...
[/quote]

Yes but things of low chance happen to me,

Remember my Spanish tour? , when R1lad was going one way and I was going the other , we managed to pass each other on the same road after taking completely different routes, the odds of this happening were several million to one.
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