Sunday, November 17, 2013


This map is a example of an isobar map. Its works to show us pressure differences in our atmosphere. This type of map is highly useful in that it helps us to predict the weather that may be coming. If we see low pressure system coming, we would predict that we may have rain coming. Low pressure systems move air up which can lead to cloud formation and precipitation. On an isobar map, the lines the we see work to connect all areas of equal pressure. Lines that are closer to each other represent a rapid change in pressure, while lines that are further away represent a gradual pressure change. In this map we see a low pressure system moving in the northern part of the country and up into Canada. These types of maps are used to predict the weather we may experience.

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