Underhill
Active Member
-4 F this morning. Before any wind chill.
Hoping this keeps up so we can get out on the ice....
Hoping this keeps up so we can get out on the ice....
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Why don't they report wind chill temps during the summer.
i.e. it's 90, but with the wind it feels like 80.
No but the wind increases evaporation and increases vasoconstriction, which decreases frostbite/freeze time on exposed skin...The "heat index" is total pap.That's because heat is lost when more air passes over the skin....Especially cold air.Sorry OB but the wind chill factor has nothing to do with the rate at which skin freezes. Simply put the WCF is the "felt" air temperature on exposed skin. Inanimate objects cannot get below the ambient temperature no matter how hard the wind blows. The attempt to maintain surface temperature in an environment of faster heat loss due to wind results in the perception of lower temperature. The THI is interesting in the fact that it considers the relationship between ambient heat and humidity but does not take wind speed into consideration even though it is an important factor.
The WCF is at least semi-scientific, while the "heat index" is pure media generated crap.
Contrary to popular myths the wind is never colder than the actual temperature. It just feels cold. Your chances for frostbite have nothing to do with the wind. The ironic thing is that the "heat index" doesn't take the wind into consideration. It's all hype.
Living in Finland, I find Wind Chill Factor an essential piece of information at this time of year.
The amount of times I have read that it is -5C and stepped outside to find it felt like - 15C...what I want to know is how I need to dress, not what the thermometer says. That means WCF is crucial.
Mr H -
I also haven't posted for around 6 months as I've been away traveling.