Re: Problem with the Wind Chill formula's
Re: Problem with the Wind Chill formula's
- Subject: Re: Problem with the Wind Chill formula's
- From: Rob Jorgensen <email@hidden>
- Date: Fri, 1 Mar 2002 20:10:37 -0500
On 3/1/02, email@hidden commented:
There is at least one problem that I found with the original wind chill
formula: there is no factoring for humidity levels. The wind chill varies
greatly with the water content of the air, and so the originating formula
can't be complete (at least in my mind).
The formula provided was also erroneous in some other ways, as it generated
wind chills of -99 degrees for riding my motorcycle at 70mph in a 49 degree
weather, and that is not reality (or I wouldn't be able to type for loss of
fingers from frost byte :)
From the NOAA page which is the source of the code and chart
mentioned in the other wind chill thread:
"Note that the Wind Chill is only defined for temperatures in the
range -45 F to +45F and wind speeds 3 to 60 mph. Note also that water
will not freeze unless its temperature (not the wind chill
temperature) reaches the freezing point."
For more info:
<
http://www.srh.noaa.gov/ftproot/ssd/html/windchil.htm>
--
Later,
Rob Jorgensen
Ohio, USA
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