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Gordon Shumway Gordon Shumway is offline
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Default Wind chill and water pipes

On Wed, 8 Jan 2014 05:25:50 -0800 (PST), "
wrote:

On Tuesday, January 7, 2014 1:19:50 PM UTC-5, Gordon Shumway wrote:
On Tue, 7 Jan 2014 05:20:02 -0800 (PST), "

wrote:



On Sunday, January 5, 2014 3:41:27 PM UTC-5, Ed Pawlowski wrote:


On 1/5/2014 9:41 AM, wrote:




Snip



The reported windchill is directly dependent on the wind.


Let's say the weatherman was giving his report and you missed


what he said about the wind. Let's look at two different


reports:




A - It's currently 35F and it's going to drop to 20F overnight


with a windchill of 20F.




B - It's currently 35F and it's going to drop to 20F overnight


with a windchill of 0F.




You have a drafty crawlspace or an unheated cabin. Would you


think there is more reason to be concerned about pipes freezing


overnight in case A or B?




Either scenario could result in frozen pipes. What's your point?



Try answering the actual question, instead of avoiding it. The
question was in which case are PIPE MORE LIKELY TO FREEZE?
Scenario B is more likely to result in frozen pipes. And I've
provided credible references that say so.

Why don't you just man up and admit that you were wrong when you
said that "Wind chill has no effect on inanimate objects"?


See my other reply.


Snip



BS. The windchill is directly dependent on windspeed. It can


be used as a proxy for windspeed. If the forecasted temp is


20F and the windchill is also 20F, what does that tell you about


the wind?: no wind. If it's forecsted to be 20F with a windchill


of 0F, that tells you there is going to be a strong wind and you


should be more concerned about pipes freezing in a draft crawspace,


unheated cabin, etc.




The only difference in either scenario is time. Wind chill is

irrelevant.



Are you totally stupid? Does the temperature stay constant in
your world? Or does it typically vary, very commonly going
down overnight?


You call me stupid when you ask questions like that?

Let's say
it's 35F out at 6PM. Overnight the temp is going down to 20F.
At 6AM it starts to rise and by 9AM, it's above freezing again.
That is a very common occurrence. If the only effect on the pipes
of windchill is how long it takes to freeze, then with a
large windchill, in that drafty crawlspace or unheated cabing
they may have enough time to freeze. Without that windchill,
the pipes are less likely to HAVE ENOUGH TIME TO FREEZE.
Good grief.

BTW, apparently you now agree that inanimate objects are affected
by windchill. That's a start.






The Weather Channel, NOAA, Univ of Illinois, City of Rochester all
say windchill has an effect on inanimate objects and the freezing
of pipes:


Here, from the Weather Channel:
http://www.weather.com/activities/ho...e_prevent.html


"Pipes in attics, crawl spaces and outside walls are all vulnerable to freezing, especially if there are cracks or openings that allow cold, outside air to flow across the pipes. Research at the University of Illinois has shown that €śwind chill,€? the cooling effect of air and wind that causes the human body to lose heat, can play a major role in accelerating ice blockage, and thus bursting, in water pipes. "


From City of Rochester:

http://www.rochesternh.net/public_Do...ER%20PIPES.pdf
"Pipes inside or outside walls, or in an enclosed area can freeze,
especially when the wind-chill factor is well below zero and heat is
not circulating in those areas."