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WCF Is the aggravating local effect of wind, realised as the temperature we actually feel on our exposed skin. This differs from the actual ambient surrounding air temperature, as the increasing speed and strength of the wind affects how quickly we lose heat from our bodies, and so affects how cold we feel. In cold weather environments, body heat is naturally lost through the combined effects of convection, conduction and radiation. This heat loss is made worse by the effects of stronger local winds. For those people who work outdoors, neglecting the effects of the wind chill factor can have serious repercussions. Frostbite and hyperthermia are real dangers, combined with wet clothing and wind chill can turn what would be considered a tame weather situation into a catastrophic situation in a matter of minutes.
Where the air temperature is 5oC and there is no wind, then obviously there is no wind chill factor. What you feel is 5oC. Where the air temperature is 5oC and there is a 50 KP/H wind, the wind chill factor means that the temperature feels like -1oC. Where the air temperature is colder, such as 0oC, with a 50 KP/H wind, it feels like -15oC. At lower temperatures, the wind chill factor is more severe, -5oC feels like -22oC with a 50 KP/H wind.
Fortunately, with sensible preparation you can protect yourself for all weather conditions. If you work outdoors in the cold, or know that you might be working outdoors, then ensure that you have the right sort of additional clothing that can cope with rapidly changing conditions.
Layering your clothes is the recommended way to stay warm, as air is trapped between the layers. It is better to wear 3 thin layers, than 2 thicker layers. Starting off with a good base layer is important, and can make a big difference when it comes to retaining body heat. Stay-dry fabrics are ideal as base layers. An insulating mid-layer, such as fleece or pile clothing will help to retain body heat. Finally, a waterproof and windproof outer layer made from a breathable fabric will protect you from the elements. It is also essential to protect your bodies extremities, thermal gloves, a hat, and suitable thick socks will prevent the onset of frostbite. You might even need spare clothing if there is a risk of the weather getting colder, or that you might get wet. Keeping active will make your body produce more heat, but during periods of low activity the sweat you have previously produced will have a dramatic cooling effect, this may mean you have to wear even more layers to compensate.
It is clear to see that the wind chill factor has a significant effect on the temperature you feel. Even though the temperature might be just above freezing, add a strong wind, and you could soon be working in conditions of -10 oC and below. Prepare yourself for all types of weather by making sure that you have the right workwear clothing.
Where the air temperature is 5oC and there is no wind, then obviously there is no wind chill factor. What you feel is 5oC. Where the air temperature is 5oC and there is a 50 KP/H wind, the wind chill factor means that the temperature feels like -1oC. Where the air temperature is colder, such as 0oC, with a 50 KP/H wind, it feels like -15oC. At lower temperatures, the wind chill factor is more severe, -5oC feels like -22oC with a 50 KP/H wind.
Fortunately, with sensible preparation you can protect yourself for all weather conditions. If you work outdoors in the cold, or know that you might be working outdoors, then ensure that you have the right sort of additional clothing that can cope with rapidly changing conditions.
Layering your clothes is the recommended way to stay warm, as air is trapped between the layers. It is better to wear 3 thin layers, than 2 thicker layers. Starting off with a good base layer is important, and can make a big difference when it comes to retaining body heat. Stay-dry fabrics are ideal as base layers. An insulating mid-layer, such as fleece or pile clothing will help to retain body heat. Finally, a waterproof and windproof outer layer made from a breathable fabric will protect you from the elements. It is also essential to protect your bodies extremities, thermal gloves, a hat, and suitable thick socks will prevent the onset of frostbite. You might even need spare clothing if there is a risk of the weather getting colder, or that you might get wet. Keeping active will make your body produce more heat, but during periods of low activity the sweat you have previously produced will have a dramatic cooling effect, this may mean you have to wear even more layers to compensate.
It is clear to see that the wind chill factor has a significant effect on the temperature you feel. Even though the temperature might be just above freezing, add a strong wind, and you could soon be working in conditions of -10 oC and below. Prepare yourself for all types of weather by making sure that you have the right workwear clothing.
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