Tonight's weather question is from Dew Whisnant. The question is, "How do isobars help with weather forecasting?"
To find out what an isobar is and for the answer, click on the video above.
If you have a weather question, send it in www.whsv.com/weather/misc/169671956.html Meteorologist Aubrey Urbanowicz answers your weather questions every Monday night on the Valley's Fox News at 10pm.
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