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MowCowWhoHow III

(2,103 posts)
Mon Aug 29, 2016, 08:08 AM Aug 2016

Lightning strike kills more than 300 reindeer in Norway

Source: AP

STOCKHOLM (AP) — More than 300 wild reindeer have been killed by lighting in central Norway in what wildlife officials are calling an unusually large natural disaster.

The Norwegian Environment Agency has released eerie images showing a jumble of reindeer carcasses scattered across a small area on the Hardangervidda mountain plateau. The agency says 323 animals were killed, including 70 calves, in the lightning storm Friday.

Agency spokesman Kjartan Knutsen told the AP it's not uncommon for reindeer or other wildlife to be killed by lightning strikes, "but we have not heard about such numbers before."

He said reindeer tend to stay very close to each other in bad weather, which could explain how so many were killed at once.

Read more: http://bigstory.ap.org/article/8feb2a512e4b44cf8718b838e23f1d83/lightning-strike-kills-more-300-reindeer-norway?utm_campaign=SocialFlow&utm_source=Twitter&utm_medium=AP



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Lightning strike kills more than 300 reindeer in Norway (Original Post) MowCowWhoHow III Aug 2016 OP
WTH? How does that happen? Fast Walker 52 Aug 2016 #1
Maybe due to the terrain and weather just one duncang Aug 2016 #6
"Btw it's amperage that kills." Javaman Aug 2016 #11
"You could have 50,000 volts but if it's 1/2 an amp, you will be okay,..." mahatmakanejeeves Aug 2016 #15
very good to know. Javaman Aug 2016 #20
The National Electrical Contractors Association holds training courses for electricians. mahatmakanejeeves Aug 2016 #21
More about step and touch potential mahatmakanejeeves Aug 2016 #16
Some news today about it daleo Aug 2016 #18
If they are huddled together an touching each other daleo Aug 2016 #7
This was probably also a factor duncang Aug 2016 #8
yeah, I guess that makes sense Fast Walker 52 Aug 2016 #14
Wow... never heard of anything like this before Zing Zing Zingbah Aug 2016 #2
Wow. I thought for sue this would be an Onion headline. But amazingly it's true. Calista241 Aug 2016 #3
God's war on Christmas. randome Aug 2016 #4
Lightning is one of the few things my wife is afraid of. DFW Aug 2016 #5
Santa up shit Creek dembotoz Aug 2016 #9
Just as a warning duncang Aug 2016 #10
Yesterday on BBC WN they were showing and talking about.. ananda Aug 2016 #12
They had been playing a game. Only Rudolf survived, having not been allowed to join in. Blandocyte Aug 2016 #13
And how many of these are albinos? Helen Borg Aug 2016 #17
Sad Liberal_in_LA Aug 2016 #19
The war on Christmas ...IT'S REAL ehrnst Aug 2016 #22

duncang

(1,907 posts)
6. Maybe due to the terrain and weather just one
Mon Aug 29, 2016, 08:52 AM
Aug 2016

I can't say for sure in this instance since normally the voltage dissipates fairly quick. It could be step voltage potential (aka Earth potential rise see link below) But a voltage differential across a foot or two can be pretty large. This can happen from a lightning strike near a person and the voltage differential shows up between a persons legs. In 4 legged animal the difference in voltage maybe between the hind and front legs going through the chest. Think of it this way you may have 10,000 volts at one leg but due to the resistance of the soil have 9,000 volts on the other leg. In this case it could be rain saturated ground, the mix of soil and rocks where the right combination to allow the voltage to travel a pretty good distance.


Here is a pdf link explaining it better then I have.

http://www.surgetek.co.za/more/step_and_touch_potentials.pdf


Edit: Btw it's amperage that kills. Even low voltage differences can have enough amperage to kill going through the chest area.

Javaman

(62,530 posts)
11. "Btw it's amperage that kills."
Mon Aug 29, 2016, 09:18 AM
Aug 2016

Exactly right.

I used to help the electrical's on filmsets when I worked as a P.A. They would drill that into me every single day. You could have 50,000 volts but if it's 1/2 an amp, you will be okay, but if you have 1000 volts and 10 amps, you will get a big hurt coming your way.

mahatmakanejeeves

(57,500 posts)
15. "You could have 50,000 volts but if it's 1/2 an amp, you will be okay,..."
Mon Aug 29, 2016, 12:56 PM
Aug 2016

That could easily be lethal.

OSHA Publication 3075 - Controlling Electrical Hazards

Effects of Electric Current in the Human Body

Current Reaction

Below 1 milliampere Generally not perceptible
1 milliampere Faint tingle
5 milliamperes Slight shock felt; not painful but disturbing. Average individual can let go. Strong involuntary reactions can lead to other injuries.
6–25 milliamperes (women) Painful shock, loss of muscular control*
9–30 milliamperes (men) The freezing current or " let-go" range.* Individual cannot let go, but can be thrown away from the circuit if extensor muscles are stimulated.
50–150 milliamperes Extreme pain, respiratory arrest, severe muscular contractions. Death is possible.
1,000–4,300 milliamperes Rhythmic pumping action of the heart ceases. Muscular contraction and nerve damage occur; death likely.
10,000 milliamperes Cardiac arrest, severe burns; death probable
* If the extensor muscles are excited by the shock, the person may be thrown away from the power source.

Source: W.B. Kouwenhoven, " Human Safety and Electric Shock," Electrical Safety Practices, Monograph, 112, Instrument Society of America, p. 93. November 1968.

Javaman

(62,530 posts)
20. very good to know.
Tue Aug 30, 2016, 08:00 AM
Aug 2016

then the halfwit electricians I was working with didn't know shit. that's terrifying.

daleo

(21,317 posts)
18. Some news today about it
Mon Aug 29, 2016, 11:29 PM
Aug 2016

Said that ground currents, created by the lightning strike could actually cause damage for a fair distance. Reindeer standing close together would reinforce that. I am reminded of the geophysical exploration technique known as induced polarization, which involves injecting current into the Earth and measuring the decay of the resulting ground currents.

daleo

(21,317 posts)
7. If they are huddled together an touching each other
Mon Aug 29, 2016, 08:55 AM
Aug 2016

The current from a strike could flow from animal to animal.

duncang

(1,907 posts)
8. This was probably also a factor
Mon Aug 29, 2016, 09:08 AM
Aug 2016

It was probably a combination of some animals being close, touching and step potential.

 

randome

(34,845 posts)
4. God's war on Christmas.
Mon Aug 29, 2016, 08:48 AM
Aug 2016

This story sounds suspiciously familiar. Was it reindeer last time? Or gazelle? Can't quite remember.
[hr][font color="blue"][center]There is nothing you can't do if you put your mind to it.
Nothing.
[/center][/font][hr]

DFW

(54,409 posts)
5. Lightning is one of the few things my wife is afraid of.
Mon Aug 29, 2016, 08:52 AM
Aug 2016

She comes from the flat farming communities of Northwestern Germany, and she said the three most common causes of death in her area were car crashes (many of them drive while drunk), lung cancer (almost all of them smoke) and lightning strikes, which killed more than a few of her neighbors who didn't take the danger seriously.

duncang

(1,907 posts)
10. Just as a warning
Mon Aug 29, 2016, 09:13 AM
Aug 2016

It is not a good idea to go outside and reset a breaker at your house during a lightning storm. Lightning can strike anywhere from a decent distance away from your house on the neutral of your power line all the way to your house and have a step potential issue if you are near the breaker panel.

Blandocyte

(1,231 posts)
13. They had been playing a game. Only Rudolf survived, having not been allowed to join in.
Mon Aug 29, 2016, 09:57 AM
Aug 2016

When reached for comment, Rudolf said only, "Forever alone."

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