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    Weather 101:The Heat Index

    8:23 PM, Jul 16, 2010   |    comments
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    The temperature in summer is usually hot, but when the humidity increases and is added to the equation, you get the heat index.

    It's a perceived equivilent temperature. The higher the heat index, the harder it is for our bodies to cool off. When the heat index gets to 105 degrees or higher for a prolonged period of time, the National Weather Service usually issues a Heat Advisory.

    Ed explains more in the video.

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