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(Slate)   Wind-chill is meaningless, says a non-homeless person from inside his heated office   (slate.com) divider line
    More: Asinine, Wind, Weather, Temperature, wind chill warnings, Cold, coldest low temperatures, Felt air temperature, wind chill  
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5441 clicks; posted to Main » on 29 Jan 2019 at 2:35 PM (20 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2019-01-29 02:19:53 PM  
As someone who takes the bus, allow me to extend a middle finger at the morons who keep trying to get rid of the wind chill rating.  It's no trouble -- it's been frozen in place since this morning, anyway.
 
2019-01-29 02:26:59 PM  
Having grown up on the great plains, I can tell you it is absolutely NOT meaningless.

You'll freeze things off regardless, but if the wind is blowing you'll freeze them off much faster.
 
2019-01-29 02:28:48 PM  
If windchill is meaningless, why the fark do people use fans? That is artificial, localized windchill.
 
2019-01-29 02:31:07 PM  
#slatepitches
 
2019-01-29 02:34:28 PM  
That is some straight up lazy writing right there. Reprinted an article from 07 instead of doing work. F#ck you lazy writer.
 
2019-01-29 02:35:48 PM  
A look out the window gives us most of the variables we need to compute our own, personal weather index. The sight of a few leafy trees will tell us how windy it is on our corner and whether the breeze is swirling or gusting. We'll see if the sun is shining or if the sky is overcast. We'll also know how we're dressed, how tall we are, how much we weigh, and how quickly we walk down the street. We can even stick our hand outside for a moment, to get a sample of the ambient air temperature.
That's more than enough data to know how it might feel to step outside our front door.


"It's stupid to have some sort of standardized equation to calculate a rating when you can just use your gut instinct and personal interpretations of natural phenomenon. That's why I don't let doctors use thermometers. If they can't tell what's wrong with me by placing their wrist against my forehead, they're nothing but quacks. QUACKS."
 
2019-01-29 02:40:23 PM  
img.fark.netView Full Size
 
2019-01-29 02:40:24 PM  
WInd chill, from a heat transfer point of view can be a misleading term, but it beats the fark out of Heat Transfer Coefficient for Forced Convection.
 
2019-01-29 02:41:05 PM  
"I looked at the thermometer. It said 0. My wife asked me what the temperature was. I said 'There isn't one.'

/paraphrased from Ron White.
 
2019-01-29 02:41:22 PM  
Wind chill is definitely a thing.  Now the heat index, not so much.  I can blow on a bowl of soup to cool it off.  I can't put it in a humid room to warm it up.
 
2019-01-29 02:42:11 PM  
i.ytimg.comView Full Size
 
2019-01-29 02:42:19 PM  
Wind chill does not affect inanimate objects as far as temperature is concerned.

Wind chill is an expression of the rate of heat loss i.e. "feels like".

If the mean ambient temp is 0 then nothing will be colder than 0. Things will just reach that temp faster.
 
2019-01-29 02:42:24 PM  
Windchill is a thing, dammit!

Humidex? That's a bunch of hooey.
 
2019-01-29 02:42:40 PM  
Well, I've been out in the cold every day this week, and I know exactly what it's like. If wind chill can tell me only what I've already experienced-my cell phone hand too numb to dial a number, my moustache freezing on my face-then we should just get rid of it altogether.

So this guy doesn't read weather reports to see what the weather will be like in the future like you common clods. He reads weather reports from the past and is angry they don't describe his subjective experience of the weather.
 
2019-01-29 02:43:32 PM  
Slate does not seem to understand what "Science" means.
 
2019-01-29 02:43:37 PM  
Come say that to my naked white ass in this -50 wind chill polar vortex of suck. Asshole.

I don't know why I would be naked in this scenario.
 
2019-01-29 02:46:52 PM  
Come on out to my house, current temp is -10, wind chill is -31.

You get standard winter equipment minus the gloves and hat.

Hang out for as long as you can, we will retry the test on Thursday 1 PM if you have regained feeling to your ears and hands.
 
2019-01-29 02:47:00 PM  
I'm not a scientist, but I don't think you need to be to understand how this works.

Temperature is a relative concept.  And by that I mean, it depends on how you perceive the temperature that really matters.

If you are a rock, you are going to perceive the temperature much different than if you were a warm blooded animal.  For instance, the temperature doesn't change simply because the wind is blowing against a rock, or a thermometer, or exposed skin.  But how cold that temperature feels when wind is blowing against exposed skin is another matter.

Thus the sensibility of provided a windchill factor.
 
2019-01-29 02:47:04 PM  

Atomic Jonb: WInd chill, from a heat transfer point of view can be a misleading term, but it beats the fark out of Heat Transfer Coefficient for Forced Convection.


U- mad?
 
2019-01-29 02:47:37 PM  
Wouldn't the perceived wind chill be highly dependent on your clothing...say buck naked and wet vs.windproof shell type clothing? But it's reported like it's a consistent figure for everyone so what's it based on
Looked it up, Wind Chill Factor. It appears to be based on a naked skin model and is a pretty basic formula
 
2019-01-29 02:48:12 PM  
Balderdash. I turned a corner into a west-to-east wind downtown Chicago just 10 minutes ago and the temperature effectively dropped 20 degrees, like I crossed a thermocline. It's real, and it's spectacular.
 
2019-01-29 02:48:35 PM  

deanis: Come say that to my naked white ass in this -50 wind chill polar vortex of suck. Asshole.

I don't know why I would be naked in this scenario.

'Why Not?' - Animal House- Reaction Video
Youtube zRzsUVXXMyE

 
2019-01-29 02:48:40 PM  
That's boring I say, as I sit in San Diego, where the wind chill must be around 65 degrees F
 
2019-01-29 02:49:16 PM  

vonster: Wind chill does not affect inanimate objects as far as temperature is concerned.

Wind chill is an expression of the rate of heat loss i.e. "feels like".

If the mean ambient temp is 0 then nothing will be colder than 0. Things will just reach that temp faster.


This.

And it remains highly relevant because its primary use is to express the risk of exposure.

So if the wind chill is -30, exposed skin will freeze as quickly as if the ambient temperature was -30 in still air.

Its extremely important info for anyone who works outside or is planning outdoor activities.

Imagine you are a parent. You look out at the old-school thermometer hanging outside the kitchen window and see that it's just a few degrees below freezing, and send your kids out to wait for the bus dressed appropriately for that condition. Meanwhile, you're sending them out in a much colder wind chill unprepared.
 
2019-01-29 02:51:03 PM  

durbnpoisn: I'm not a scientist, but I don't think you need to be to understand how this works.

Temperature is a relative concept.  And by that I mean, it depends on how you perceive the temperature that really matters.

If you are a rock, you are going to perceive the temperature much different than if you were a warm blooded animal.  For instance, the temperature doesn't change simply because the wind is blowing against a rock, or a thermometer, or exposed skin.  But how cold that temperature feels when wind is blowing against exposed skin is another matter.

Thus the sensibility of provided a windchill factor.


img.fark.netView Full Size
 
2019-01-29 02:51:51 PM  
Try telling that to my testicles, they are still hiding from the -30 experience waiting for my bus this morning.

/don't talk to my testicles please.
 
2019-01-29 02:53:47 PM  
we are reprinting this column,first published in 2007, in which Daniel Engber explains that "wind chill" is little more than shameless puffery.

He can get real trolly.  I've seen the comments sections of his articles go nuts.
 
2019-01-29 02:54:38 PM  

durbnpoisn: I'm not a scientist, but I don't think you need to be to understand how this works.

Temperature is a relative concept.  And by that I mean, it depends on how you perceive the temperature that really matters.

If you are a rock, you are going to perceive the temperature much different than if you were a warm blooded animal.  For instance, the temperature doesn't change simply because the wind is blowing against a rock, or a thermometer, or exposed skin.  But how cold that temperature feels when wind is blowing against exposed skin is another matter.

Thus the sensibility of provided a windchill factor.


Temperature is not a relative phenomenon. You earn no points. Heat exchange is a relative phenomenon, and for human comfort both things matter. Wind chill is usually used to exaggerate how cold an otherwise typical but windy day is (zomg it feels like -40F/C outside! Even though it's a mundane +10F.)

Heat index otoh matters way more imo because the humidity actually drives the rate at which your body can cool itself where as wind chill has no bearing on how much your body can heat itself, only on how fast a dumb fark without a windbreaker will freeze to death.
 
2019-01-29 02:54:38 PM  
In Soviet Russia heat transfers you.
 
2019-01-29 02:55:53 PM  
img.fark.netView Full Size
 
zez
2019-01-29 02:55:57 PM  
I live in a 70 year old house with single pane windows. I can tell the difference in temps inside the house when the wind is blowing hard outside in the winter.
 
2019-01-29 02:56:08 PM  

Rapmaster2000: ...Daniel Engber explains that "wind chill" is little more than shameless puffery.


Wonder how he feels about naming winter storms.
 
2019-01-29 02:58:38 PM  

vonster: Wind chill does not affect inanimate objects as far as temperature is concerned.

Wind chill is an expression of the rate of heat loss i.e. "feels like".


Wind chill would make my house lose heat faster. My house won't care, but I will.
 
2019-01-29 02:59:01 PM  
That blogger needs to be on frozen homeless dead guy pickup. He should come to Chicago at 5 PM and stay till Thursday.
 
2019-01-29 03:03:32 PM  

durbnpoisn: I'm not a scientist, but I don't think you need to be to understand how this works.

Temperature is a relative concept.  And by that I mean, it depends on how you perceive the temperature that really matters.

If you are a rock, you are going to perceive the temperature much different than if you were a warm blooded animal.  For instance, the temperature doesn't change simply because the wind is blowing against a rock, or a thermometer, or exposed skin.  But how cold that temperature feels when wind is blowing against exposed skin is another matter.

Thus the sensibility of provided a windchill factor.


There IS a difference between a rock and exposed skin. Skin has water in it, so we deal with the latent heat of evaporation. A wind being present aids in the chilling because more air is run over the skin, and it takes some water with it. This works the same way as a fan blowing on sweaty skin does, but not to the same extent.

Living in Fairbanks, a place with no humidity and no wind, after growing up in Milwaukee, which has both, allows me to say that the lack of humidity and wind makes a HUGE difference on the effect of the cold. It's the difference between standing naked in front of an open freezer door and taking a 40 degree shower.
 
2019-01-29 03:05:16 PM  
My dad and I used to hunt rabbits when it was cold like this-- they don't run. We were out in -30 twice that I recall. Once was sunny and calm, once was quite windy and overcast (and -90 windchill factor).

No comparison. Taking a glove off briefly to do things requiring dexterity was no big deal on tge calm day.  On the windy day it meant my fingers were numb in seconds.
 
2019-01-29 03:08:11 PM  

UralMD: Slate does not seem to understand what "Science" means.


What exactly do they understand the meaning of?
 
2019-01-29 03:08:58 PM  

UralMD: Slate does not seem to understand what "Science" means.


There's Your problem right there; assuming Slate is a "News " site, that cares about facts!
 
2019-01-29 03:09:45 PM  
Many homeless people are also not quite mentally well, or distrust authority.

Can you force them into shelter?

Having at one point being the guy in charge of a shelter.. no you can't. As much as your heart says yes, no. You can't.

I actually loved that job. Every now and then I actually helped someone turn their life around.

Job paid crap in cash money wages. But my personal wages. My satisfaction, those were high reward wages.

/Side note: funny note. One winter's night, a resident named Pete showed up, all whack on crack. I sent him to bed, with his case to be discussed the next day. So, the director of the program, my assistant, Pete, and I are all sitting in the directors office. Things weren't' looking well for Pete as discussion went on..

So. I did me.

🎵All I'm am saying, is give Pete a chance🎶 I chimed out off key.

Everyone looked at me like I was nuts, then everyone laughed..

I won that round. Pete was not kicked out.
 
2019-01-29 03:10:59 PM  

Jeebus Saves: Wind chill is definitely a thing.  Now the heat index, not so much.  I can blow on a bowl of soup to cool it off.  I can't put it in a humid room to warm it up.


Spend an afternoon in Orlando when it's 90 degrees with 100% humidity, then go to Palm Desert where it's 110 and 5% humidity and tell me which one feels hotter.
 
2019-01-29 03:11:31 PM  
I'm just using this topic as an excuse to post this picture of Rutger Hauer with a cold wind blowing in his hair:
northernstars.caView Full Size
 
2019-01-29 03:12:35 PM  
Wind chill is not meaningless. But anyone using wind chill as the PRIMARY measurement for dumbasses.

TV news uses it to make excitable impressionable dimwits watch commercials.

/ Yes, that's you if you're crying "minus 50 tomorrow, OH NOES!!!!"
// Rode my bicycle Saturday, it was 10F and windy
/// No idea what the windchill was because I'm not a dumbass, I dress appropriately
 
2019-01-29 03:14:36 PM  

Ambivalence: If windchill is meaningless, why the fark do people use fans? That is artificial, localized windchill.


Because they also wear clothes, among hundreds of other factors that affect your perception of temperature, yet are ignored.
 
2019-01-29 03:16:13 PM  
img.fark.netView Full Size

'Fellas, wanna see some wind chill?'
*PHARP*
'Inappropriate, Dan! Take it outside next time.'
'Gotta admit, Wayne - that shartsicle is impressive.'
 
2019-01-29 03:18:19 PM  

mathamagical: durbnpoisn: I'm not a scientist, but I don't think you need to be to understand how this works.

Temperature is a relative concept.  And by that I mean, it depends on how you perceive the temperature that really matters.

If you are a rock, you are going to perceive the temperature much different than if you were a warm blooded animal.  For instance, the temperature doesn't change simply because the wind is blowing against a rock, or a thermometer, or exposed skin.  But how cold that temperature feels when wind is blowing against exposed skin is another matter.

Thus the sensibility of provided a windchill factor.

Temperature is not a relative phenomenon. You earn no points. Heat exchange is a relative phenomenon, and for human comfort both things matter. Wind chill is usually used to exaggerate how cold an otherwise typical but windy day is (zomg it feels like -40F/C outside! Even though it's a mundane +10F.)

Heat index otoh matters way more imo because the humidity actually drives the rate at which your body can cool itself where as wind chill has no bearing on how much your body can heat itself, only on how fast a dumb fark without a windbreaker will freeze to death.


I beg to differ because that is not what I said.
If it's 20 degrees outside, and you are standing in the wind, it will feel WAY colder than if you were still outside, but not in the wind.

I didn't say that the phenomenon was relative.  I said the perception is.  How one perceives it is relative to their position and circumstances.
 
amb
2019-01-29 03:18:36 PM  

Atomic Jonb: WInd chill, from a heat transfer point of view can be a misleading term, but it beats the fark out of Heat Transfer Coefficient for Forced Convection.


I grew up in Wyoming (K-9), so wind chill is real to me. Although the true measure of cold is when your runny nose freezes shut.

After 9th grade, family moved to Metairie, LA. That's when I learned about the heat index and supersaturated humidity.
 
2019-01-29 03:19:52 PM  
Slate.com is down at the moment. Maybe the reception to this article was a little chillier than they thought it was going to be.
 
2019-01-29 03:20:29 PM  

Eddie Adams from Torrance: Jeebus Saves: Wind chill is definitely a thing.  Now the heat index, not so much.  I can blow on a bowl of soup to cool it off.  I can't put it in a humid room to warm it up.

Spend an afternoon in Orlando when it's 90 degrees with 100% humidity, then go to Palm Desert where it's 110 and 5% humidity and tell me which one feels hotter.


Well, I won't be doing that, and that's what makes that measure meaningless.  I live in Chicago.  Summers here are humid as all hell.  I'm not going to dress differently because of a heat index.  85 with 90% humidity is 85 to anyone who lives here.  It doesn't "feel like" anything else.
 
2019-01-29 03:22:58 PM  

UralMD: Slate does not seem to understand what "Science" means.


What do you expect from an entire staff of Democrats?
 
2019-01-29 03:24:36 PM  
He should be forced to visit a weather testing facility. Test 1 he spends 5 minutes at -10 with Zero air movement. Test 2 he spends 5 minutes at -10 with a 30mph wind. Both in street clothes.

If he survives test 2, he will have learned a valuable lesson in why wind chill is a real thing.
 
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