How to Read 500mb Charts See Snow & Cold Patterns 2015-2035 Mini Ice Age (14)

First published at 21:36 UTC on November 16th, 2018.
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500 mb height maps (recall that mb stands for millibars, hPA (hectopascals)"which is a unit for measuring air pressure). These maps are very good for getting a large-scale picture of the "weather pattern" over the United States, North…

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CategoryNews & Politics
SensitivityNormal - Content that is suitable for ages 16 and over
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