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Weather Talk: Something to be said in idiom regarding humidity

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news Fargo, 58102
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You may have heard the phrase, “It’s not the heat that will get you, but rather the humidity.” That phrase is partially true.

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Sunday and Monday, many of us experienced temperatures into the 90s with dew points in the 70s, resulting in heat indices near 100. The heat index is what the temperature of the human body “feels” when the humidity is combined with the current air temperature.

When the body becomes overheated, it sweats to cool itself down. If the surrounding air is more saturated, the rate of evaporation becomes slower and so sweating is not as effective. We get hot faster and stay hot longer.

When the humidity is lower, the heat index is also lower and we are able to tolerate higher temperatures much easier. 

In reality, the heat index number is inadequate because it does not account for sunshine or wind, which also affects human comfort.

Have a weather question you’d like answered? Email weather@wday.com,

or write to WDAY Stormtracker, WDAY-TV, Box 2466, Fargo, ND 58108

Read the blog at http://www.stormtrack.areavoices.com

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