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Wind Chill is a mysterious and often misunderstood phenomenon. This script describes what the wind chill factor really is and offers a form to calculate the wind chill factor when given the air temperature and wind speed

A measure of the cooling effect of wind. Wind increases the rate at which a body loses heat, so the air on a windy day feels cooler than the temperature indicated by a thermometer. This heat loss can be calculated for various combinations of wind speed and air temperature and then converted to a wind chill equivalent temperature (or wind chill factor)

Wind Speed (MPH) =
Air Temperature (F) =

F



  Beaufort Wind Scale  
Beaufort Number Wind Speed Description
 (Wind Force) Knots MPH Km/hr  
0
<1
<1
<1
Calm
1
1-3
1-3
1-3
Light Air
2
4-6
4-7
6-11
Light Breeze
3
7-10
8-12
12-19
Gentle Breeze
4
11-16
13-18
20-28
Moderate Breeze
5
17-21
19-24
29-38
Fresh Breeze
6
22-27
25-31
39-49
Strong Breeze
7
28-33
32-38
50-61
Near Gale
8
34-40
39-46
62-74
Gale
9
41-47
47-54
75-88
Strong Gale
10
48-55
55-63
89-102
Storm
11
56-63
64-72
103-117
Violent Storm
12
64 +
73 +
118 +
Hurricane

Related Pages: Wind Speed Converter

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