engineerVOL
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Yeah, but that's one little area and I'd believe the temperature in that spot would be cooler.
My question is. . . if it is actually 40, but it feels -5, will water turn to ice?
No. It’s an abstract term. The moisture in your body is used to extract heat to keep you cool. It has a high specific heat which is why it’s so useful removing heat from your interior. There’s moisture on your skin and the wind will remove heat from that water whether you want it to or not. The sweat evaporates. The lower the humidity the better chance for that sweat to evaporate into dry air. Nature hates a vacuum. So warm goes to cold. Wet goes to dry. Nature likes equilibrium. So the air can be 40 and the wind blowing across your skin makes it feel very cold. Especially if the RH is super low. Like I said, it’s abstract.