http://www.ssd.noaa.gov/goes/east/ne/mflash-vis.html
A beautiful depiction of two airmasses moving with respect to each other and not interacting. Southward moving cool air mass at low levels under cutting NEward moving warm airmass. The actual forward edge of the cold air at the surface is marked by the bright squall line moving E to West across New England.
Roger, you might close the port holes on the North and West side of your vessel. At least.
Nick
Nicholas S. Thompson
Emeritus Professor of Psychology and Biology
Clark University
http://home.earthlink.net/~nickthompson/naturaldesigns/
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