The Weather Page

December 03, 2009|By Frank Roylance | Sun Reporter // Weather Blogger

Valerie Murray in Rock Hall asks: "Why are wind-chill temperatures only given after summer? In the winter, the wind-chills make it sound colder. If calculated in the summer, maybe it would make it seem cooler." It would. Summer breezes speed evaporation, and you do feel cooler. But it's more important in summer to report the heat index, combining heat and humidity. High humidity slows evaporative cooling, raising hot-weather health risks.


> Read Frank Roylance's blog on MarylandWeather.com

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