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| Description: The polar jet stream is the most prevalent. It occurs along a major frontal zone, the polar front. The jet stream moves faster in winter. During the winter, occasionally it moves north–south. Picture Stats: Views: 157 Filesize: 78.1kB Height: 546 Width: 675 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=31192 |