NWS-coldfront

By Jack Williams ©2012

Cold air is advancing from left to right--the blue arrow. The green arrow indicates warm air that's being pushed up. NWS image.

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This entry was posted on Saturday, November 21st, 2009 at 9:46 pm and is filed under . You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

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