Dear Tom,What do isobars represent on weather maps?—Mal Wallis, LyonsDear Mal,A bar is a metric unit of pressure and isobars are lines on a weather map that connect points of equal air pressure ...

Weather maps have been updated over time along with the technology and data we use to bring you the forecast. Many of the changes to our weather graphics have been made to make our maps more ...

A weather map tool from the University of Maine Climate Change Institute has been used to misleadingly argue that global temperatures have only risen by 0.1 degrees Celsius and that climate change ...