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Greensboro, NC -- The Heat Index is a commonly used phrase, especially during the summer months when the temperatures begin to sore. As often as the meteorologist at WFMY use this term it is important to understand what it means and how it impacts your body.

Meteorologist Grant Gilmore takes a look at what the Heat Index is and how a higher heat index prevents your body from staying cool.

If you have a question about the Heat Index or about weather in general you can email the WFMY News 2 Weather Team at weather@wfmy.com.