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Old 02-05-2010, 08:14 PM   #1
sirex
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Its -10 but it feeeeels like -20



What.
The.
****?

As in, What the **** do they mean when they say "Its -10 but it feeeeels like -20"

It always FEELS like something else. So when its -20, they say it FEELS like -30..

I just dont get it. I dont get it at all.
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Old 02-05-2010, 08:19 PM   #2
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F Canada bro that's the problem.
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Old 02-05-2010, 08:51 PM   #3
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It basically boils down to wind chill and the humidex. For wind chill think about when you put your hand out the window while driving. It could be 30 degrees out but depending on how fast you're going it could feel more like 10-15 degrees on your hand. This is because wind increases the rate of moisture evaporation from your skin, and as moisture is evaporated from your skin it carries away heat with it. So when they say it's -10 but it feels like -20, the ambient air temperature is -10 degrees which is what is read on a thermometer, but due to wind effects on your skin to you it will feel like -20. The same thing goes in the summer time when they say it's 30 degrees but due to the humidex it feels like 35 degrees. The greater the humidity the more saturated the air is with moisture, this reduces the ability of the air to evaporate moisture from your skin (sweat). If the moisture isn't being evaporated heat isn't being carried away from the surface of your body and you begin to overheat and feel hotter than what the ambient air temperature is.
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Old 02-05-2010, 11:02 PM   #4
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^what he said hahaha
that was well put and informative. thanks!
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Old 02-05-2010, 11:24 PM   #5
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Windchill..
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Old 02-06-2010, 12:14 AM   #6
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what bullet ride said.
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Old 02-06-2010, 12:45 AM   #7
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Quote:
Originally Posted by Bullet Ride View Post
It basically boils down to wind chill and the humidex. For wind chill think about when you put your hand out the window while driving. It could be 30 degrees out but depending on how fast you're going it could feel more like 10-15 degrees on your hand. This is because wind increases the rate of moisture evaporation from your skin, and as moisture is evaporated from your skin it carries away heat with it. So when they say it's -10 but it feels like -20, the ambient air temperature is -10 degrees which is what is read on a thermometer, but due to wind effects on your skin to you it will feel like -20. The same thing goes in the summer time when they say it's 30 degrees but due to the humidex it feels like 35 degrees. The greater the humidity the more saturated the air is with moisture, this reduces the ability of the air to evaporate moisture from your skin (sweat). If the moisture isn't being evaporated heat isn't being carried away from the surface of your body and you begin to overheat and feel hotter than what the ambient air temperature is.
who doesn't know this
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Old 02-06-2010, 10:31 AM   #8
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Wind, dude. It blows.
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Old 02-06-2010, 11:07 AM   #9
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to go along with wind chill and to add onto what bullet said,
Your body produces heat. It is constantly warming up the air immediatly around you. Especially the space mms away from your skin. If there is wind blowng on you it is taking away the warmed up air and is preventing any air from being warmed up immediatly around your body
I'm terrible at explaining things but hopefully that was understandable.....I work in the natural gas industry and this is something we have to take into account with heat gas pipes (natural gas has moisture in it and can actually condensate and freeze)
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Old 02-06-2010, 12:10 PM   #10
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I still dont understand why that is relative to news reporting.

Also, not every human being is the same. The rate of prespiration, etc. So it feels different for everyone. Also, How the hell do they measure WHAT it feels like?

Do they have some PHD shmuck that stands outside and is like ok well right now its -10.... Then tomrow when its -20 he writes a report saying that.. "Well when it was -10, it actually felt like to me that it was -20, therefore, for now on when we report the weather as being -10, We will say it FEELS like -20"

Who sets the bar for what it FEELS like? Thats what I want to know.

And how the **** do they know what it feels like to me? how arrogant of them..... "Ya its -10 outside, BUT you better button up some more because IT FEELS LIKE -20, trust me I KNOW YOU BETTER THEN YOU THINK!"

No shit its going to be cold if its -10 with a 50 km/h wind. So they should report "Its -10 out today, with heavy winds. Button up to reduce the chance of frostbite"
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Old 02-06-2010, 12:22 PM   #11
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Chill the **** out.



There.
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Old 02-06-2010, 12:36 PM   #12
Bullet Ride
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^ I don't see anything sexually suggestive about that windchill chart...
Am I missing something?
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Old 02-06-2010, 04:09 PM   #13
sirex
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cool
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Old 02-07-2010, 01:01 AM   #14
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Old 02-07-2010, 01:02 AM   #15
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Also this:

http://www.ohcow.on.ca/clinics/winds...chillchart.pdf
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