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This loop of GOES-8 Sounder 7.5 micrometer IR ("water vapor") imagery shows the westward motion of the MVC circulation toward the coast of the Carolinas on 05-06 July. Since this Sounder 7.5 um water vapor channel weighting function peaks lower in the atmosphere than the Imager 6.7 um water vapor channel, more details of the circulation at lower levels are evident in this loop.