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From: van@sequent.UUCP
Newsgroups: net.physics
Subject: Re: Winter musings
Message-ID: <339@sequent.UUCP>
Date: Thu, 19-Jan-84 12:17:01 EST
Article-I.D.: sequent.339
Posted: Thu Jan 19 12:17:01 1984
Date-Received: Mon, 23-Jan-84 04:55:40 EST
References: <505@ihuxq.UUCP>
Organization: Sequent Computer Systems, Portland
Lines: 33

The following table is taken from the Daily Planet Almanac (without
permission).  They don't give any sources, so it may be true that there
really isn't any scientific basis for Wind Chill Factors.

                     TEMPERATURE (degrees Fahrenheit)
 Wind    calm | 50    40    30    20    10     0   -10   -20   -30   -40
Speed         |
(mph)      5  | 48    37    27    16     6    -5   -15   -26   -36   -47
              |
	  10  | 40    28    16     4    -9   -21   -33   -46   -58   -70
              |
	  15  | 36    22     9    -5   -18   -32   -45   -58   -72   -85
	      |
	  20  | 32    18     4   -10   -25   -39   -53   -67   -82   -96
	      |
	  25  | 30    16     0   -15   -29   -44   -59   -74   -88  -104
	      |
	  30  | 28    13    -2   -18   -33   -48   -63   -79   -94  -109
	      |
	  35  | 27    11    -4   -20   -35   -51   -67   -82   -98  -113
	      |
	  40  | 26    10    -6   -21   -37   -53   -69   -85  -100  -116

There is a curve that runs through 5MPH/-10, 10/0, 15/10, 20/10, 25/15,
30/20, 35/20, 40/20.  To the left of that it says "Little Danger".

Another curve runs through 10MPH/-30, 15/-20, 20/-15, 25/-10, 20/-10,
35/-5, 40/-5.  Between these curves is the label "Moderate Danger".

To the right of this last curve is the label "Great Danger".
-- 

John Vander Borght ...{ogcvax,pur-ee}!sequent!van